Write an interesting, riveting, dialogue-filled, , light novel style, dark fantasy, science fantasy, science fiction, urban fantasy, high fantasy narrative in the form of a crossover fanfic between High School DxD and Kono Naka ni Hitori, Imouto ga Iru! [Nakaimo – My Sister Is Among Them!], Halo,  Tenchi Muyō [Do Not Turn Over/No Need For Tenchi |Tenchi Muyō!|]  anime, light novel and manga franchise, the Japanese Kishin Hōkō Demonbein [Roar of the Machine God Demonbane |Kishin Hōkō Demonbein|] video game, anime, manga and OVA franchise and the Science Adventure [Chaos; Head, Steins; Gate, Robotics; Notes] franchise it [Kishin Hōkō Demonbein] spawned  in which the protagonist of High School DxD who is an ordinary Japanese teenage male of average height with short spiky brown hair, with two short locks of hair behind his head, and amber eyes, Hyōdō Issei,who [Issei] is [Issei] faux perverted [Issei], [Issei] putting up a public guise of an unintelligent and straightforward individual, whose [Issei's public self's] tremendously perverted and lascivious nature is the greatest characteristic of his [Issei's public self's] personality, who [Issei's public persona] easily indulges in lewd fantasies, being obsessed with female breasts and a desire for a harem, traits he openly admits and makes no effort to hide, a characteristic that his [Issei's public persona] is [Issei's public persona], in fact, proud of and [the pervertedness of Issei's public persona] has [the pervertedness of Issei's public persona] caused him [Issei] to be instantly labeled as a pervert among the girls of his [Issei's] school, who [Issei] is [Issei] in fact [Issei's true self] courageous, selfless and unwaveringly determined to protect those who are important to him, despite almost dying by the hands of his opponents along with [Issei] being straightforward, [Issei] cruel [Issei] selfish and petty [Issei], but [Issei also being] protective [Issei], extremely kind [Issei], peace-loving [Issei], self-pitying [Issei], optimistic [Issei], friendly [Issei], having a habit [Issei] of [Issei's habit] not forgiving himself [Issei] if he [Issei] does something wrong: always saying sorry on instinct if said thing is mentioned, and showing an expression of pain and regret, [Issei] whose [Issei's] kindness also has a positive influence on others including former enemies, who [Issei] despite wanting to lose his [Issei's] virginity, [Issei] refusing to [Issei] take advantage of women when they are upset, even if they themselves are willing to, along with [Issei] being [Issei] fiercely loyal to his [Issei's] comrades and is always willing to stand up for them, in reality being a boy [Issei] who yearns for love and a true relationship, a side which he only shows to women who can see past his perverted exterior and love him for who he [Issei] is and who he [Issei], in turn, has affections for due to him [Issei] secretly believing that [Issei's secret belief] that no woman would ever want to be in a true, committed relationship with him [Issei] and that him having sex was the best he could hope to achieve as a semblance of satisfaction, which is why he [Issei] pretends [Issei] to be [who Issei pretends to be] a breast-obssesed idiotic fool [Issei's public persona] obsessed [Issei's public persona] with [what Issei's public persona is obsessed with] becoming a harem king akin to these seen in perverted anime, manga, J-RPGs, light novels, visual novels and eroges at school,who [Issei] is [Issei] a second-year high school student [Issei] who [Issei] has [what Issei has] the Seikuriddo Gia [Sacred Gear |Seikuriddo Gia|, an artefact | Seikuriddo Gia| with |what the Seikuriddo Gia has that makes it unique| powerful abilities |belonging to the Seikuriddo Gia| bestowed |upon the Seikuriddo Gia| upon it |the Seikuriddo Gia| by |the divinity that bestowed powerful abilites upon the Seikuriddo Gia| God as part of his |God's| system to |what God bestowed powerful abilities upon the Seikuriddo Gia to do| enact miracles |the Seikuriddo Gia| on Earth] Būsuteddo Gia, [Boosted Gear, a red gauntlet appearing like a dragon's front paw with a large emerald in the middle which |Būsuteddo Gia| boosts its |Būsuteddo Gia's| user's ability whenever the |current| user |of Būsuteddo Gia| requests so], which [Būsuteddo Gia] contains [what Būsuteddo Gia contains as befitting its status as a Seikuriddo Gia] the soul of [the creature whose soul is contained with the Būsuteddo Gia Issei wields] the Sekiryūtei [Red Dragon Emperor] Y Ddraig Goch, [Y Ddraig Goch] the Red Dragon [Y Ddraig Goch] of [the national mytholohy Y Ddraig Goch belongs to] Welsh Mythology and [what Y Ddraig Goch is known as] the Red Dragon of Domination [Y Ddraig Goch's other alias |the Red Dragon of Domination|], [Issei] who [Issei] is [Issei] secretly a legendary gamer well known for his [Issei's] exploits in the gaming world, [Issei in the online underground] being known for his 100% pass rate in playing games, along with [Issei] being a legendary hacker who [Issei] is [Issei] the most infamous enemy of  the British founded and British based multinational conglomerate founded in the 1960s with subsidiaries active in a variety of industries from the 1980s to the early 2000s, having influence in the production and sale of cosmetics, chemicals, pharmaceuticals, industrial machine production, consumer products, health foods, the transportation industry and tourism with its large array of subsidiaries being typical for large-scale corporations, though it was purposely built to cover up illegal activities done by said company, having begun developing biological weaponry and other advanced and military technology for militaries across the world as part of a worldwide conspiracy to accumulate deadly viruses directly prohibited by the 1972 Biological Weapons Convention, but being able to cover its true intentions by researching vaccines for the same viruses as a front known as Umbrella Corporation from the Resident Evil franchise, [Issei's true self as a legendary hacker being the number #1 enemy of the Umbrella Corporation] in part due to the  technology company that specializes in communications technologies, information technologies as well as security technologies, which acts as a borderline monopolistic power on digital information systems across the globe, as well as its subsidiaries and utilities, specializing in everything from wireless phone operating systems, home computers, to digital imaging processors, and linked-by-network security systems and great pride in the fact that they helped create most of the markets they now dominate, and reshape the way people think about Information Security Architecture (ISA), which is the mortal enemy of DeadSec, Blume Corporation from WatchDogs, [Blume] is [Blume] a public front and R&D center for Umbrella in this fic, which means that Umbrella has control over the highly advanced digital information system designed to manage the infrastructure of a metropolitan region, being a highly advanced digital information system created by Blume from 2003-2011 which is connected via a very complex interconnection of electronic systems which include computer servers, sensors, technological gadgetry and databases, that interact to manage the city which it is installed in, and also being connected to and controlled by it, such as subway lines, traffic lights and surveillance cameras, to obtain and store data of the inhabitants of the city which it is installed in, which it does via various methods, such as by retrieving user information stored on  consumer electronics connected to said system, and by using the city's which it is installed in's mass surveillance system, with communication centers being placed between the control centers to promote the effective and efficient transfer of data over large distances, Central Operating System, officially shortened to CTOS, from Watchdogs, [Blume being secretly owned by Umbrella in this fanfic, which means that Umbrella controls the CTOS in this fic] which means that Issei has essentially gained control of CTOS Japan using the advanced smartphone which can be used to gain access to any person's personal information and hack anything connected to the Blume Corporation's CTOS, having the ability to disable all communications within a certain radius, Raise or lower blockers to slow pursuers, explode a junction box or a transformer to quickly dispatch nearby foes, explode steam pipes to disable pursuing vehicles or intercept fleeing targets, hack into banking accounts and tap into telephone calls and cell phones, [the tool] known as the Profiler from Watchdogs, [Issei becoming Umbrella's enemy due to him being skilled with a Profiler] and [Issei] being held in high regard by the mortal enemy of Blume, DedSec [a secret hacking collective (DedSec) mostly based (DedSec) in (where DedSec's HQ and main area of operations is) the USA, which (DedSec) has (what DedSec has) a worldwide presence and (what else DedSec has) millions of followers, its (DedSec's) goal being (DedSec's goal) to (what DeadSec's goal is) expose the corruption in the common world, including large corporations| in the USA] along with Cordis Die [a populist revolutionary movement (Cordis Die), hacking collective (Cordis Die), paramilitary semi-terrorist group (Cordis Die), anti-oligarchic and anti-corporate power communist revolutionary movement (Cordies Die) and (what else Cordis DIe is) an organization (Cordis Die) fighting (Cordis Die) for (what Cordis Die fights for) the globally impoverished and downtrodden, (Cordis Die) mostly operating (Cordis Die) in (where Cordis Die is /Cordis Die/ found) Latin America, |Cordis Die| from Black Ops 2], [Issei being held in high regard by both Cordis Die and DeadSec] drawing the attention of not only the revolutionary Stalinist-Trotskyist far-left political party and armed paramilitary force based in Russia who wish to return the country [Russia] back to what it was during the days of the Soviet Union, the Ultranationalists [Modern Warfare], [the Ultranationalists] which [the Ultranationalists] are the same organization as a the Russian ultra-nationalist, neo-Soviet, far-left secret society and terror organization of nationalistic and influential politicians, soldiers and weapon dealers in Russia, which started as a group of Russian OZNAZ [Spetnaz] that went rogue and began to enter into the business of weapons trafficking before growing in strength and numbers to the point of having their own elite army and gained a portion of the Russian military to their side, using wealth they obtained from their illegal arms sells, whose main goal was to seize power and establish an ultra-nationalist, neo-Soviet, neo-Trotskyist revolutionary government in Russia, Raven's Rock from the Ghost Recon franchise, but Third Echelon [Splinter Cell franchise], a top-secret initiative [Third Echelon] tasked with spearheading the American information warfare initiative, being the equivalent of Special Forces in the modern age of information warfare within the various intelligence branches of the NSA [National Security Agency |NSA|, an American national-level intelligence agency |the NSA| and former secret police agency |the NSA| during |when the NSA was a secret police agency| the Cold War, |the NSA being responsible for| global monitoring, collection, and processing of information and data for |why the NSA monitors, collects and processes the world's data| foreign and domestic intelligence and counterintelligence purposes, |the NSA| specializing in |what the NSA's specialty is| a discipline known as signals intelligence (SIGINT) and |the NSA| protecting |what the NSA protects| American intelligence and community systems|], in addition to the Tier One Special Mission Unit of the USA's combined armed forces, the US Armed Forces, more specifically the detachment of the US Army Special Forces, "Green Berets", Delta Company, 1st Battalion, 5th Special Forces Group, being the United States' first line of offense in terms of conducting highly classified covert operations better known [Delta Company, 1st Battalion, 5th Special Forces Group] as "the Ghosts" [Ghost Recon franchise] or "Ghost Recon" [Ghost Recon franchise], which ["the Ghosts"] are ["the Ghosts"] the same organization ["the Ghosts"] as the Special Operations Force/Counter Stealth Unit known as Task Force STALKER, [Task Force Stalker] also called "the Ghosts"] from [the media franchise Task Force Stalker is from] Call of Duty: Ghosts, and the international task force which championed the ideals of heroism, sacrifice, and nobility, primarily battling against  the self-aware, sentinent, singularity-reaching sentinent AI modules and programs as well as gynoids, androids and robots generally refered to as Omnics from Overwatch, [the task force itself] known as Overwatch from Overwatch, along with Taimanin [Anti Demon Ninja |Taimanin|] a general term for a member [a Taimanin] of [what a Taimanin is a member of] a hidden community of yōkai[monster/s, |Yōkai| very powerful supernatural anthropomorphic plants, animals or other living thinfs consisting of innumerable, and diverse varieties that grow stronger with age and their varying bloodlines that can be found in many locations, ranging from mountains to forests; some even hide among human dwellings, often to cause trouble for their human inhabitants, usually only associating with their own kind, unless driven by some pressing need or self-interest, especially when overwhelming numbers are needed, either ignoring or being outright hostile to humans], daiyōkai [Great Monster |daiyōkai|, very powerful type of yōkai that is much stronger and smarter than common yōkai, many different shapes and powers, with some being gigantic and inhuman in appearance, but all being able to assume a completely human appearance, normally being haughty, arrogant, ruthless attitude towards other yōkai and humans, despising them for being weak in their opinion],  ayakashi [sentinent animals |ayakashi| with |what ayakashi have| the ability to |what a ayakashi's main ability is| use demonic energy, who |ayakashi| can |what ayakashi can (ayakashi) do| transform |ayakashi| into |what ayakashi can (ayakashi) transform into| a humanoid form, |ayakashi| being |what happens to ayakashi| prevalent |ayakashi| in |what ayakashi are (ayakashi) prevalent (ayakashi) in Nihon-jin mythology] and Oni [an orc, ogre, or troll (an oni) in (which East Asian mythology Oni are /Oni? found in) Nihon-jin (Japanese /Nihon-jin/) mythology and Shinto, (an oni being known for) its (an oni's) supernatural strength and potent electrokinetic (lightning manipulation /electrokinetic/) abilities, (an oni) said to live (where an oni is /an oni/ said to live) mountains and caves, and |an Oni| having a Hematophagous |feeding on blood| nature|]  who take up the profession of shinobi [ninja] to hunt other Yōkai, ayakashi and oni either to protect regular humans in the shadows or in the service of the Japanese government, operating officially as agents of the official government organization of Japan, more specifically of the Japanese Ministry of National Affairs and Public Safety which bridges normal government and Taimanin, which serves Japan and works against the demonic influence, Investigation Unit No.3 from Taimanin Asagi, as an elite unit of  the unified military forces of post-WW2 Japan, controlled by the Japanese Ministry of Defense with the Japanese Prime Minister as commander-in-chief, officially limited to internal security and homeland defense, and prohibited from possessing weapons that would increase their “war potential”, disallowed from offensive warmaking capabilities but not necessarily denied from the inherent right to self-defense, the Japanese Self-Defence Forces, more specifically the JSDF’s special forces unit with a mission of infiltration into enemy territory, reconnaissance, sabotage, and hostage rescue, and conducting military operations against guerrillas or enemy commandos during wartime, the Special Forces Group, [the Taimanin], which he [Issei] is [Issei] himself [Issei] of course, [Issei] clueless about, [Issei] just simply trying to live a normal life as a ordinary otaku and part-time hacker larping as a breast-loving pervert in public, which backfires on him when a squad of Taimanin, consisting of the young Japanese woman and young Japanese noble heiress, more specifically to the Japanese noble family of the Igawa clan, who is also a traditional Japanese beauty and a female ninja, more specifically a Taimanin with long, dark-blue hair with spiky bangs and teal eyes, with a bust that is medium-sized to big, wearing a purple V-shaped one-piece swimsuit/bikini with long thighs that leave the inner thigh, her hips and part of her groin and loins exposed that is in fact a bio-boosting combat suit in combat, being a mature, and confident woman, who is serious and strict while on missions and knows when to be reserved and take responsibility,  who demands a reasonable degree of professionalism in her work, not  hestating to kill if she wants (or has) to, and to her enemies, can almost seem like an elegant monster to be feared and respected, whose high degree of willpower makes it impossible for her to give up on survival when captured, along with loyal and proactive, capable of taking action if needed, being a calm veteran, with a bit of deadpan humor, taunting her enemies and feels some level of clear enjoyment from fighting, while remaining strict on herself when in battle, being a skilled swordswoman who uses a ninjato in battle but is also a skilled martial artist, having the ninja art which allows her to heighten her senses, speed and physical capabilities and allows her to move six times faster than normal, but exhausts her greatly and cannot be used multiple times at once, though she has mastered it over time, with her perceives the world in slow motion while using it, she is even able to think much faster, while others are almost unable to perceive her movement speed known as Hawk Art from Taimanin Asagi,  Igawa Asagi from Taimanin Asagi, [Asagi] her [Asagi's] younger sister, the part-Russian young Japanese noble girl who has blue eyes and has a bigger bust than her elder sister when she got older along with short, blonde hair styled with some spiky bangs, being carefree, upbeat and vigorous, but also much more naive and a big airhead at times, whose constant, optimism and support for friends and family, who is is honest and always direct, who loves the idea of Taimanins being heroes of justice and wishes to protect everybody, acting goofy at times, she gets serious when in fights and can be mature if really called for, who wears a black leotard-like battle suit with a deep orange skirt, using Two Ninjato in battle, having to travel between shadows to the point of being able to hide weapons and other items in her own shadow create shadow creatures or blades, and to remain hidden within the shadows if needed, Igawa Sakura from Taimanin Asagi, [Sakura] and finally the  young looking  half-English, half-Japanese young woman, with blond short hair made into two short braids with blue eyes and a smaller to medium-sized bust, who is in fact a hybrid between a regular  yōkai and  The powerful creatures created from a human virgin drained of blood by a vampire of the opposite sex, only for said vampire to offer their own blood in return, which resurrects the drained person as a newborn among the undead and perpetuates a lineage, with enhanced speed, telekinesis, hypnosis, Agelessness from the point of infection and a need to sleep in a coffin or in contact with the soil of one's birthplace, immense regenerative abilities, possessing Elongated fangs and red eyes, with a thirst for human blood, the ability to both mentally create and project third eye" capable of focusing images, allowing for superior targeting and the destruction of illusions, control of solid shadows, to the point it allows for extended flight, along with the ability to enter brutal berserk state, [the creatures] known as true vampires that exist in the Hellsing franchise, along with being a Taimanin whowears a blue and white battle suit in combat who has intense hatred toward demons, due to them harming her mother and grandfather in the past, acting very spontaneous and rush ahead if it is about justice, being very awkward and clumsy though not a stranger to these things, when other people come into it, she tends to become rather stiff, whose socially awkward side often appears even in normal social matters, in which she will often second-guesses herself or is worried to act improper, Shinganji Kurenai from Taimanin Asagi, [the squad of Taimanin consisting of Asagi, Sakura and Kurenai] is [the squad of Taimanin consisting of Asagi, Sakura and Kurenai] sent [the squad of Taimanin consisting of Asagi, Sakura and Kurenai] to [the squad of Taimanin consisting of Asagi, Sakura and Kurenai] capture him [Issei] before he [Issei] becomes a target of Umbrella, which [Umbrella] is this story's version of and [Umbrella] has the technology and resources of the multinational corporation, one of the most powerful in the Human World and utilizing technology of the demon realm itself, to create chaos and corruption, having enough resources to change policies and making money from many different legal and illegal means with a public front as a normal corporation, concerned with humanitarian and egalitarian goals known as Nomad from Taimanin Asagi, which means that Nomad's CEO in canon Taimanin Asagi, the powerful demon lord/vampire king the tall, middle-aged, gray haired man, Edwin Black [Taimanin Asagi], [Edwin] is Umbrella's CEO here, which is blocked by one of Issei's little sisters in this fanfic, the  Taimanin in training and Japanese noble heiress, the energetic, upbeat and boastful but secretly shy, reserved, insecure and naive with a massive secret love for video games and first person shooters, brown haired and red-violet eyed. short, slender and petite but secretly curvy and buxom lightning manipulating oni Yukikaze Mizuki [Taimanin Asagi], who [Mizuki] is [Mizuki] is [Mizuki] currently living in public as the sadistic, energetic, highly perverted and often very lecherous with a talent for martial arts, black haired, Amber eyed young high school girl Nagatoro Hayase [Don't toy with me, Miss Nagatoro] in this story to avoid being hunted down by the security force, more specifically a private special ops unit under the control of Umbrella Corporation, being developed as a need for adequate protection of facilities containing classified biotechnology for the US military, along with covert operations, with agents answering directly to Umbrella HQ being ordered out to kill or detain threats to the company and concentration camp duties, the Umbrella Security Service from Resident Evil along with other supernatural creatures, [Mizuki] who [Mizuki] doesn't want her [Mizuki's] beloved older brother [Issei] to [Issei] know that the Taimanin are [the Taimanin] real. 

Things get worse when the very soft-looking young Japanese noble girl and Yamato Nadeshiko [ a flower of the Japanese nation, that is, a standard of female beauty that is uniquely Japanese |Yamato nadeshiko|, more specifically a traditional Nihon-jin |Japanese (Nihon-jin)| beauty |Yamato Nadeshiko|, more specifically a demure young woman and, in a contemporary context, nostalgically of women with good traits which are perceived as being increasingly rare, having inner strength, who exhibits delicacy and deference, as well as quiet determination, being dignified and modest, having delicacy and fragility, as well as elegance and sturdiness, being internally strong although she is outwardly submissive and obedient, having a nurturing yet uncompromising personality due to her mature character, having traits of maturity, modesty, gentleness, grace, uncompromising determination, while also being nurturing, whose appeal lies in her sexual maturity and traditional Japanese virtues of a caring yet subservient nature] in the making with butt-length black hair that has slight drills at the end and olive eyes who usually wears two small pink hair clips on the sides of her fringes, as well as a big bow around her hair and is well endowed for her age, being a extremely kind, sweet and gentle girl who is shown to care about the welfare of people around her, but also can also become fiercely possessive when it comes on to those she loves, Tsuruma Konoe from Kono Naka ni Hitori, Imouto ga Iru! and the  petite but also buxom young Japanese girl with brown hair with long bangs and a fringe and also is usually tied with pig tails held by orange bows with light orange pom-pom balls hanging off them, having a  childish look to her, and it is evenly matched by her childish personality, being  lousy, but energetic, and moody, Kannagi Miyabi from Kono Naka ni Hitori, Imouto ga Iru!, [Issei making love to both Konoe and Miyabi] who [Konoe and Miyabi] are his [Issei's] younger relatives, with Konoe being his [Issei's] paternal younger half-sister and Miyabi being his [Issei's] younger paternal cousin [Konoe and Miyabi in this story] with Konoe,who [Konoe] is [Konoe] a girl he [Issei] used to [Issei] play with in his [Issei's] hometown, the peaceful small town/overgrown suburb/small city of [Issei's hometown] Kuoh from High School DxD in Kyoto in Japan when he [Issei] was around eight to ten years old and she [Konoe] was around four to six years old, [Konoe] is [Konoe] in fact [Konoe's true identity] the human form [Konoe] of [Konoe's true self] the young female member of the feline anthropomorphic race of extraterrestial, hyper-intelligent, psychically and magically gifted with an ability to transform into monstrous tentaclelike god-like beings known as Nyarlotephians [Haiyore! Nyaruko-san] with silver hair, green eyes, a short, slender, petite but also secretly buxom body and a friendly, outgoing personality, but being addicted to human video games despite being a good fighter and marksman with both side arms and rifles both human and extraterrestial, and being intellectually and academically gifted, being the top student in both grades and combat skills at space cadet boarding school, but normally using a red crow bar for bladed combat on Earth, Yasaka Nyaruko from Haiyore! Nyaruko-san, who [Nyaruko in this story] is [Nyaruko in this story] from [where Nyaruko is from in this story]   the Julay no Dai Ginga Teikoku [the Grand Galactic Empire of Jurai/the Great Galactic Empire of Jurai/Great Jurai/Great Galactic Juraian Empire/Great Jurai |Julay no Dai Ginga Teikoku|], which [Julay no Dai Ginga Teikoku], is [what the Julay no Dai Ginga Teikoku is] an absolute imperial feudal dynastic constitutional federal semi-democratic multiracial parliamentary state [the Julay no Dai Ginga Teikoku] and [what else Julay no Dai Ginga Teikoku is apart from being an absolute imperial feudal dynastic constitutional federal semi-democratic state] a technologically advanced hyperpower, economic powerhouse, trade and military juggernaut [Julay no Dai Ginga Teikoku] that [what the Julay no Dai Ginga Teikoku does] rules [the Julay no Dai Ginga Teikoku] over [the territories ruled over by Julay no Dai Ginga Teikoku] a large portion of the Milky Way Galaxy, and [the Julay no Dai Ginga Teikoku] is [what happens to Julay no Dai Ginga Teikoku] ruled [Julay no Dai Ginga Teikoku] by [who is the reigning family of Julay no Dai Ginga Teikoku] the Masaki Kōshitsu [Masaki dynasty |Masaki Kōshitsu|] also [the Masaki Kōshitsu] known [the Masaki Kōshitsu] as [the Masaki Kōshitsu’s other name] Juraiouke [the Imperial House of Jurai |Juraiōke|] as [what the Masaki Kōshitsu/the Juraiōke rules Julay no Dai Ginga Teikoku as] its [Julay no Dai Ginga Teikoku’s] current reigning imperial family [the Masaki Kōshitsu/the Juraiōke], [Julay no Dai Ginga Teikoku] being [the Julay no Dai Ginga Teikoku] known [Julay no Dai Ginga Teikoku] as [the other name for Julay no Dai Ginga Teikoku] Takamagahara [the realm |Takamagahara| of |what lives in Takamagahara| the amatsukami |heavenly gods (amatsukami)| in Shinto, Japan’s unofficial state religion |Shinto|] in [where Julay no Dai Ginga Teikoku is known as Takamagahara] Japan, Earth, [the Julay no Dai Ginga Teikoku being viewed as Takamagahara in Japan] where the most dominant force in the galaxy [the Julay no Dai Ginga Teikoku] is [what happens to the Julay no Dai Ginga Teikoku in Japan] treated [the public perception and popular conensus on the Julay no Dai Ginga Teikoku in Japan] as [what the Julay no Dai Ginga Teikoku is viewed as in Japan] the stuff of myths and legends [Takamagahara], [the Julay no Dai Ginga Teikoku] from [which franchise the Julay no Dai Ginga Teikoku is from] Tenchi Muyō  [the Julay no Dai Ginga Teikoku from the Tenchi Muyō! franchise] replaces [which faction Julay no Dai Ginga Teikoku replaces] the Covenant, a religious theocratic absolute technocratic feudalistic multiracial imperialistic monarchy [the Covenant] which [the Covenant] rules [the Covenant] over [the territories ruled over by the Covenant] the Orion Arm of the Milky Way, from [which franchise the Covenant is from] the Halo video game, anime and book franchise [the Julay no Dai Ginga Teikoku replacing the Covenant from Halo] along with [which other galactic faction the Julay no Dai Ginga Teikoku replaces] the mysterious BETA from the Muv-Luv franchise, [the Julay no Dai Ginga Teikoku from Tenchi Muyu replacing both Halo’s Covenant and Muv-Luv’s BETA] with the Primum Magnum Caelum Imperium [First Galactic Empire/Galactic Empire/“the Empire” |the Primum Magnum Caelum Imperium|], a de jure fascist dictatorship/stratocracy [Primum Magnum Caelum Imperium] but de facto constitutional imperial unitary absolute human supremacist xenophobic anti-alien monarchy [Primum Magnum Caelum Imperium] that [what happened to the Primum Magnum Caelum Imperium] was [ the Primum Magnum Caelum Imperium] both a technological juggernaut [Primum Magnum Caelum Imperium] and a military powerhouse [Primum Magnum Caelum Imperium] as well as a hub of learning, scientific progress, finanical prosperity and stability and security [the Primum Magnum Caelum Imperium], [Primum Magnum Caelum Imperium] ruling [Primum Magnum Caelum Imperium] over [which territories Primum Magnum Caelum Imperium controlled] the Milky Way galaxy from [which series Primum Magnum Caelum Imperium is from] Star Wars, [the Primum Magnum Caelum Imperium] replacing [which faction Primum Magnum Caelum Imperium replaces] the ecumene from [which series the ecumine is from] Halo, a technologically advanced post-singularity technocratic aristocratic galactic hyperpower [the ecumine] that [the ecumine] was [what type of state the ecumine was] a constitutional democratic absolute monarchy [the ecumine] that [the ecumine] stretched across the Milky Way and [the ecumine] was [what happened to the ecumine] ruled by [who ruled the ecumine] Primoris prognatus [Forerunners |Primoris prognatus|], who [Primoris prognatus] were [what Primoris prognatus were] an ancient species [Primoris prognatus] of [what Primoris prognatus were |Primoris prognatus| an ancient species |Primoris prognatus| of] extremely technologically advanced, psychically and magically gifted, hyper-intelligent humanoid beings [Primoris prognatus] as [what Primoris prognatus ruled the ecumine as] its [the ecumine’s] dominant race before the end of their [Primoris prognatus’] empire [the ecumine] in [when the ecumine ended] pre-AD times, [the Primum Magnum Caelum Imperium replacing the Primoris prognatus-ruled and Primoris prognatus-dominated ecumine in this scenario] along with [the Primum Magnum Caelum Imperium in this scenario] also simultaneously replacing the absolute imperial dynastic parliamentary interstellar monarchy ruled by and dominated by the ancient alien race which arose from a single planet and then developed an immense galaxy-wide, technologically and militarily empire encompassing many other spacefaring species before it mysteriously vanished over 50,000 years ago known as the Protheans from Mass Effect in this scenario, Primum Magnum Caelum Imperium has its [the Primum Magnum Caelum Imperium’s] canon civilian and military technologies with the Star Wars humans having the same psychic and magical powers and hyper-intelligence as the Primoris prognatus in canon Halo in addition to the Primoris prognatus’ canon civilian and military technologies along with military equipment, along with [the Star Wars humans in this scenario] also having access to the Force like in canon Star Wars, and the same being true for the Julay no Dai Ginga Teikoku and the Covenant [meaning that the Julay no Dai Ginga Teikoku has access to both its own canonical civilian and military technologies, military equipment and law enforcement equipment as well as the canonical civilian and military technologies, military equipment and law enforcement equipment of the canon Covenant in canon Halo] along with [the Julay no Dai Ginga Teikoku] also replacing the galaxy-spanning paramilitary force/meritocratic military organization/pirate guild lead by the infamous race of horned extraterrestrial warmongers known as the Frost Demons [Dragon Ball Z], the Planetary Trade Organization [Dragon Ball Z], [the Julay no Dai Ginga Teikoku in this fic] also having the PTO’s technology, weapons and equipment, with the PTO itself being the Julay no Dai Ginga Teikoku’s equivalent of NAFTA and NATO combined, with the Juraians [Tenchi Muyō!], a humanoid extraterrestrial race [the Jurians] of psychics and magic users good at electronics and mechanics [the Jurians] which [the Jurians] are [what the Juraians are] the majority population [the Jurians] of [which state the Jurains are the majority population of] the Julay no Dai Ginga Teikoku, [the Jurains in this story] replacing the Frost Demons [Dragon Ball Z] and [the Jurians] also having the Frost Demons’ swordsmanships and qi/ki manipulation abilities in addition to their [the Juraians’] own canonical abilities and skills, [the Julay no Dai Ginga Teikoku replacing the PTO and the Jurians replacing the Frost Demons in this fic] thus making them [the Juraians in this story] the masters [the Juraians in this story] of the naturally aggressive warrior race descended from Great Apes who gained intelligence and took on a humanoid form who, since ancient times, have lived a violent and inhumane lifestyle, where they attack numerous planets to build up wealth and goods, the Saiyans [Dragon Ball Z], who [the Saiyans] are [the Saiyans] the same species [the Saiyans] as [what the Saiyans are the same species as] the humanoid extraterrestrial species that are externally indiscernible from humans, age towards adulthood at a similar rate, and can survive in any environment of a world that they were sent to, being capable of demostrating their many abilities, which include super strength, super speed, flight, invulnerability, telekinesis, heat vision, technopathy, and increased intellect along with durable bodies, ruled by a tyrannical dictatorship that oppresses the races in the Milky Way galaxy, known to be hostile and imperialistic, sending infants of their race to other planets as presumably one-man invaders, letting the members of the target species raise and trust the child until the age of twelve, only for a mind controlling computer kept in their ships to activate and order them to take the planet for themselves, having developed highly advanced technology, and have been able to create spaceships able to travel across vast expanses of space, with the infant-carrying pods are equipped with a computer that will activate after a certain amount of time, which will transmit a message to the children in their native language, will create or amplify murderous tendencies in them, order them to conquer the planet, and seemingly activate their powers to kill people, [this particular species] being known as the Masters from the Brightburn film, [the Masters from Brightburn and the Saiyans being the same species in this fic] with the Juraians, [the Juraians] being [the Juraians] of course the masters [the Juraians] of the Saiyans in that fic, [the Juraians] using the Saiyans to [the Juraians] conquer and subsequently clean out multiple planets not just across the Milky Way, but across the various galaxies for them [the Juraians in this fic] for settlement by the Julay no Dai Ginga Teikoku, which [the Julay no Dai Ginga Teikoku] is [the Julay no Dai Ginga Teikoku] a major consumer of the rare material that, when subjected to an electrical current, releases dark energy which can be manipulated into a mass effect field, raising or lowering the mass of all objects within that field known as Element Zero from Mass Effect in this story as well  [Nyaruko being from the the Julay no Dai Ginga Teikoku in this scenario], [Nyaruko] currently working for [Nyaruko's employer] both the Jikū Kanri Kyoku [Time-Space Administrative Bureau |Jikū Kanri Kyoku|], an interdimensional security force [Jikū Kanri Kyoku] and full-out military force [Jikū Kanri Kyoku] formed [Jikū Kanri Kyoku] jointly by a union of several worlds that also monitors cultural growth and provides disaster relief to each world under the JKK’s jurisdiction especially when it involves magic and the magical items of tremendous power that are legacies of collapsed civilizations known as Lost Logia [Mahō Shōjo Ririkaru Nanoha], [the Jikū Kanri Kyoku] from Mahō Shōjo Ririkaru Nanoha in this scenario, which [the Jikū Kanri Kyoku in this scenario] is [ the Jikū Kanri Kyoku] the Julay no Dai Ginga Teikoku's federal law enforcement agency in this story, [the Jikū Kanri Kyoku in this scenario] with Jikū Kanri Kyoku agents having access to the ubiquitous and extremely versatile tools used by the mages of the Nanoha universe whose basic function is to augment their master's magic abilities and assist them in casting spells and  take over tasks that the human brain cannot handle efficiently enough, such as recording and reproducing the spells that the mage has cast known as Devices from Mahō Shōjo Ririkaru Nanoha, more specifically the special branch of Devices which incorporate sophisticated artificial intelligence in their programming, enabling them to have some degree of autonomy along with sentinence known as Intelligent Devices from Mahō Shōjo Ririkaru Nanoha like in canon Mahō Shōjo Ririkaru Nanoha, [Nyaruko being a agent of the Jikū Kanri Kyoku] and the intergalatic and interdimensional supranational and supra-planetary body whose job is to monitor extraterrestrial criminals, terrorists and threats towards the galactic and dimensional order and dispose of them, openly or covertly before they can become a threat, the Space Defence Agency from Haiyore! Nyaruko-San, which [the SDA in this scenario] is [the SDA in this scenario] the  Julay no Dai Ginga Teikoku's department of defence/ministry of defence/ministry of war [the SDA in this scenario], with the SDA being under the control of the the Julay no Dai Ginga Teikoku's parliament in this story, formed when the Juraians formed an alliance with the extraterrestrial race that is distinctly feminine in appearance and possess maternal instincts, having a millennium-long lifespan and the ability to reproduce with a partner of any gender or species due to their unique biology, . Favoring compromise and cooperation over conflict, resembling humans, but having a blue to purple complexion, though a teal complexion is possible albeit seemingly rare, possessing semi-flexible, cartilage-based scalp-crests that grow into shape in the place of hair, being perceived as attractive to many other species, although they do have the ability to take a form resembling regular humans at will, the Asari from Mass Effect, the warm-blooded amphibians who possess a hyperactive metabolism; they think fast, talk fast, and move fast, as a result other species seem sluggish and dull-witted, being known for their observational capability and non-linear thinking, which manifests as an aptitude for research and espionage, who are constantly experimenting and inventing, the Salarians from Mass Effect, the avian extraterrestrial species whose members typically stand over 6 feet (1.8 meters) tall, have two long, proportionately thick fingers and an opposable thumb on each hand, each tipped with talons, and a set of mandibles around their mouths, along with metallic carapace, which contains trace amounts of thulium, whose forward-facing alert eyes give the impression that they possess outstanding eyesight and their teeth and jaws mimic the structures possessed by apex predators such as crocodiles or ancient, carnivorous dinosaurs, whose slender bodies allow them to move at high speeds, along with having a metallic exoskeleton, being carnivorous, known for their militaristic and disciplined culture, particularly their contributions of soldiers and starships to the Citadel Fleet and being the third race to join the Citadel, the turians from Mass Effect, [the Julay no Dai Ginga Teikoku forming an alliance with the Asari, Salarians, and the turians]  to [the Julay no Dai Ginga Teikoku] control an ancient deep-space station, presumably constructed by  the Protheans from Mass Effect, which serves as the political, cultural, and financial capital of the galactic community in the Mass Effect universe known as the Citadel from Mass Effect, which [the Citadel] was [the Citadel] constructed [the Citadel] by the humans of the Primum Magnum Caelum Imperium before its [the Primum Magnum Caelum Imperium's] fall in this story, [the Julay no Dai Ginga Teikoku forming an alliance with the Asari, Salarians, and the turians] to form the executive committee composed of one representative each from the member species of the Citadel that is the governing body of the Citadel which is the ultimate authority in Citadel space,  passing judgement for violations of Council law, settling disputes between governments, and maintaining law and order, the Citadel Council from Mass Effect, [the Julay no Dai Ginga Teikoku forming an alliance with the Asari, Salarians, and the turians to form the Citadel Council] with the Citadel Council being the Julay no Dai Ginga Teikoku's version of a intergalactic parliament in this scenario, [Nyaruko being both a agent of this story's Juraian controlled SDA and the Juraian-controlled Citadel Council in this fic] and Miyabi, whom [Miyabi] the eight to ten-year-old Issei in the past also [young Issei] used to [young Issei] play with when she [Miyabi] was [Miyabi when Issei used to play with both her and Konoe] three coming onto five and six coming on to seven years old, along with the current  Seito Kaichou [Student Council President |Seito Kaichou|]  of the school Issei attends in the present,  Majima Gakuen Kōkō [Majima Private Academy |Majima Gakuen Kōkō], an all-ages [from elementary to university] institution [Majima Gakuen Kōkō] that [Majima Gakuen Kōkō] is [Majima Gakuen Kōkō] for [Majima Gakuen Kōkō's normal student population] the spoiled and not-so spoiled heirs of immensely rich, famous and not-so-famous, along with members of Japan's remaining aristocracy, nobility and corporate families, which [Majima Gakuen Kōkō] is [what happens to Majima Gakuen Kōkō] known [Majima Gakuen Kōkō] as [the other name of Majima Gakuen Kōkō] Kuoh Gakuen [Kuoh Academy |Kuoh Gakuen|], due to it [Majima Gakuen Kōkō/Kuoh Gakuen] being [what happens to Majima Gakuen Kōkō/Kuoh Gakuen] located [where Majima Gakuen Kōkō/Kuoh Gakuen is located] near the peaceful small town of [which town Majima Gakuen Kōkō/Kuoh Gakuen is near] Kuoh [High School DxD], which [Kuoh] is [Kuoh] near Japan's Tokugawa shogunate-era capital of Kyoto, [the girl whom Issei used to play with who is now the current Seito Kaichou of  Majima Gakuen Kōkō/Kuoh Gakuen] the black-purple haired, purple-blue eyed, tall, slender and petite, but also curvy and buxom, highly strict and serious but also kind, generous, and compassionate with an emotional, delicate side as well, intellectually gifted, academically talented, water manipulation magic having young devil princess and current heiress to the Sitri clan [High School DxD], that [the Sitri clan] is one of the three Great Pillars [High School DxD] of the Underworld living in the human world under the alias of Shitori Sōna, Sitri Sōna [High School DxD], who [Sōna] is [who Sōna is] the current reincarnation [Sōna] of [whose Sōna's past life was] the having little-to-no emotions, to the point of being viewed as apathetic Dragon Goddess who represents Infinity, Chaos, and Nothingness, short, petite but also secretly buxom, black-haired, gray-eyed, elf-eared, young girl Ophis [High School DxD], [young Issei playing with young Miyabi, Konoe and Sōna when all four of them were kids] being monitored by Sōna's older sister currently is one of the upper ranks in the Underworld's society, [Sōna's older sister] the beautiful young devil woman looking in her late teens with black hair, tied into twin tails and blue eyes, having a child-like body (albeit with large breasts) who ocassionally dresses in magical girl's clothing when she feels like it, being cheerful, friendly and possesses a childlike personality despite being academically and intellectually gifted along with being good at magic, especially ice manipulation magic, Adding to her childlike personality is the fact that most of her lines end with a star and her intense fascination with magical girls, which she took to cosplaying as a magical girl as a hobby even audition in the human world, having a deep sister complex towards Sōna, which often gets her into embarrassing situations, but also being selfless and determined despite her openly childish personality, along with being well adept in using fire magic when she used a beginner spell called "Fire Shot", but raised to the point this "beginner's magic" can destroy entire meadows in an instant, being a highly skilled and talented diplomat in handling negotiations with other mythological factions and even humans, described as possessing an idol like charisma that contributed to her talent in diplomacy along with being a very powerful devil in general with immense magical power, Serafall Leviathan, formerly known as Serafall Sitri, from High School DxD, [ Serafall] who [ Serafall] like Rias, [ Serafall] is [ Serafall] also teaching at Majima as well in the present under the disguise of a human college student, more specifically as the Japanese female college basketball superstar who is a Japanese noble heiress  and  Yamato Nadeshiko  with brown eyes and short dark bluish hair, having an athletic physique due to her practicising basketball, along with ample breasts, often wearing sleeveless clothing and shorts along with cycling shorts underneath her clothes, which she considers to be her underwear, having a boyish personality, being a lesbian, fujoshi, and masochist but also secretly bisexual, being quite sloppy when it comes to keeping her room clean and organized, having a level-headed personality during serious situations despite her commonly immature nature, Kanbaru Suruga from Bakemonogatari, [Serafall being a teacher at Kuoh under the guise of Kanbaru] , [ Serafall] teaching history at Majima as Kanbaru, with most of the students and teachers at Majima being unaware of the fact that Serafall is in fact a devil, which amuses Serafall's childhood friend, the current prinsessa [princess |prinsessa|] of the Kungahuset Gremory [Royal House of Gremory |Kungahuset Gremory|] which [the Kungahuset Gremory] is one [the Kungahuset Gremory] of [the group that the Kungahuset Gremory belongs |the Kungahuset Gremory| to] Underjordens tre stora pelare [the Underworld's Three Great Pillars |Underjordens tre stora pelare|] the scarlet-haired, blue-eyed, tall, slender and buxom young Scandinavian noble woman who is in fact seductive, alluring, impatient, competitive and selfish and sultry but also kind, compassionate, determined and loving devil princess Rias Gremory from [the media franchise Rias is |Rias| from] High School DxD, who [Rias] is [who Rias is] Issei's English teacher [Rias] at Majima under the alias of the current heiress of the powerful and influencial Japanese noble family of the Kurokami clan [Medaka Box] the tall, curvy and very buxom, purple-haired and red-purple eyed, highly intelligent and skilled, academically gifted to the point of being smarter than Tesla and Einstein combined with infinite learning potential and absolute control of body function, but also somewhat cocky, arrogant and overbearing Medaka [Medaka Box], [young Serafall monitoring  young Issei playing with young Miyabi, Konoe and Sōna when all four of them were kids], [Issei in the present finding out that Miyabi] is [Miyabi] in fact [Miyabi's true self] the human form [Miyabi] of [Miyabi's true self]  the tall, slender and buxom middle school girl with two long red ponytails that fall down to her waist in length, whose eyes are red, and her skin is somewhat pale, although whether it is a side effect of her gaming or intended is unknown, being clingy in general and being very clingy towards Nyaruko in general but having a very stoic personality, being obsessed with Japanese otaku culture and human video games, being a kind person at heart, but can be extremely perverted when things get out of hand, who is in fact a member of the flame welding, pyrokinetic, extraterrestrial, hyper-intelligent, psychically and magically gifted with an ability to transform into monstrous tentaclelike god-like beings known as Cthughans [Haiyore! Nyaruko-san] and a skilled Swordsman and hand to hand combatant, named Yasaka Kūko from Haiyore Nyaruko San, who [Kūko] is [Kūko] also working for the JKK along with the SDA in this story like Nyaruko, [Issei]  finds himself [Issei] finding out that the very soft-looking young Japanese noble girl and Yamato Nadeshiko [ a flower of the Japanese nation, that is, a standard of female beauty that is uniquely Japanese |Yamato nadeshiko|, more specifically a traditional Nihon-jin |Japanese (Nihon-jin)| beauty |Yamato Nadeshiko|, more specifically a demure young woman and, in a contemporary context, nostalgically of women with good traits which are perceived as being increasingly rare, having inner strength, who exhibits delicacy and deference, as well as quiet determination, being dignified and modest, having delicacy and fragility, as well as elegance and sturdiness, being internally strong although she is outwardly submissive and obedient, having a nurturing yet uncompromising personality due to her mature character, having traits of maturity, modesty, gentleness, grace, uncompromising determination, while also being nurturing, whose appeal lies in her sexual maturity and traditional Japanese virtues of a caring yet subservient nature] in the making with butt-length black hair that has slight drills at the end and olive eyes who usually wears two small pink hair clips on the sides of her fringes, as well as a big bow around her hair and is well endowed for her age, being a extremely kind, sweet and gentle girl who is shown to care about the welfare of people around her, but also can also become fiercely possessive when it comes on to those she loves, Tsuruma Konoe from Kono Naka ni Hitori, Imouto ga Iru! and the  petite but also buxom young Japanese girl with brown hair with long bangs and a fringe and also is usually tied with pig tails held by orange bows with light orange pom-pom balls hanging off them, having a  childish look to her, and it is evenly matched by her childish personality, being  lousy, but energetic, and moody, Kannagi Miyabi from Kono Naka ni Hitori, Imouto ga Iru!, [Issei making love to both Konoe and Miyabi] who [Konoe and Miyabi] are his [Issei's] younger relatives, with Konoe being his [Issei's] paternal younger half-sister and Miyabi being his [Issei's] younger paternal cousin [Konoe and Miyabi in this story] after Issei catches Konoe sucking off his [Issei's] big dick while simultaneously putting it [Issei's dick] in her [Konoe's] mouth while Miyabi touched herself beside her when he [Issei] was [Issei] sleeping, after which Issei found out that Konoe,who [Konoe] is [Konoe] a girl he [Issei] used to [Issei] play with in his [Issei's] hometown, the peaceful small town/overgrown suburb/small city of [Issei's hometown] Kuoh from High School DxD in Kyoto in Japan when he [Issei] was around eight to ten years old and she [Konoe] was around four to six years old, [Konoe] is [Konoe] in fact [Konoe's true identity] the human form [Konoe] of [Konoe's true self] the young female member of the feline anthropomorphic race of extraterrestial, hyper-intelligent, psychically and magically gifted with an ability to transform into monstrous tentaclelike god-like beings known as Nyarlotephians [Haiyore! Nyaruko-san] with silver hair, green eyes, a short, slender, petite but also secretly buxom body and a friendly, outgoing personality, but being addicted to human video games despite being a good fighter and marksman with both side arms and rifles both human and extraterrestial, and being intellectually and academically gifted, being the top student in both grades and combat skills at space cadet boarding school, but normally using a red crow bar for bladed combat on Earth, Yasaka Nyaruko from Haiyore! Nyaruko-san, who [Nyaruko in this story] is [Nyaruko in this story] from [where Nyaruko is from in this story]   the Julay no Dai Ginga Teikoku [the Grand Galactic Empire of Jurai/the Great Galactic Empire of Jurai/Great Jurai/Great Galactic Juraian Empire/Great Jurai |Julay no Dai Ginga Teikoku|], which [Julay no Dai Ginga Teikoku], is [what the Julay no Dai Ginga Teikoku is] an absolute imperial feudal dynastic constitutional federal semi-democratic multiracial parliamentary state [the Julay no Dai Ginga Teikoku] and [what else Julay no Dai Ginga Teikoku is apart from being an absolute imperial feudal dynastic constitutional federal semi-democratic state] a technologically advanced hyperpower, economic powerhouse, trade and military juggernaut [Julay no Dai Ginga Teikoku] that [what the Julay no Dai Ginga Teikoku does] rules [the Julay no Dai Ginga Teikoku] over [the territories ruled over by Julay no Dai Ginga Teikoku] a large portion of the Milky Way Galaxy, and [the Julay no Dai Ginga Teikoku] is [what happens to Julay no Dai Ginga Teikoku] ruled [Julay no Dai Ginga Teikoku] by [who is the reigning family of Julay no Dai Ginga Teikoku] the Masaki Kōshitsu [Masaki dynasty |Masaki Kōshitsu|] also [the Masaki Kōshitsu] known [the Masaki Kōshitsu] as [the Masaki Kōshitsu’s other name] Juraiouke [the Imperial House of Jurai |Juraiōke|] as [what the Masaki Kōshitsu/the Juraiōke rules Julay no Dai Ginga Teikoku as] its [Julay no Dai Ginga Teikoku’s] current reigning imperial family [the Masaki Kōshitsu/the Juraiōke], [Julay no Dai Ginga Teikoku] being [the Julay no Dai Ginga Teikoku] known [Julay no Dai Ginga Teikoku] as [the other name for Julay no Dai Ginga Teikoku] Takamagahara [the realm |Takamagahara| of |what lives in Takamagahara| the amatsukami |heavenly gods (amatsukami)| in Shinto, Japan’s unofficial state religion |Shinto|] in [where Julay no Dai Ginga Teikoku is known as Takamagahara] Japan, Earth, [the Julay no Dai Ginga Teikoku being viewed as Takamagahara in Japan] where the most dominant force in the galaxy [the Julay no Dai Ginga Teikoku] is [what happens to the Julay no Dai Ginga Teikoku in Japan] treated [the public perception and popular conensus on the Julay no Dai Ginga Teikoku in Japan] as [what the Julay no Dai Ginga Teikoku is viewed as in Japan] the stuff of myths and legends [Takamagahara], [the Julay no Dai Ginga Teikoku] from [which franchise the Julay no Dai Ginga Teikoku is from] Tenchi Muyō  [the Julay no Dai Ginga Teikoku from the Tenchi Muyō! franchise] replaces [which faction Julay no Dai Ginga Teikoku replaces] the Covenant, a religious theocratic absolute technocratic feudalistic multiracial imperialistic monarchy [the Covenant] which [the Covenant] rules [the Covenant] over [the territories ruled over by the Covenant] the Orion Arm of the Milky Way, from [which franchise the Covenant is from] the Halo video game, anime and book franchise [the Julay no Dai Ginga Teikoku replacing the Covenant from Halo] along with [which other galactic faction the Julay no Dai Ginga Teikoku replaces] the mysterious BETA from the Muv-Luv franchise, [the Julay no Dai Ginga Teikoku from Tenchi Muyu replacing both Halo’s Covenant and Muv-Luv’s BETA] with the Primum Magnum Caelum Imperium [First Galactic Empire/Galactic Empire/“the Empire” |the Primum Magnum Caelum Imperium|], a de jure fascist dictatorship/stratocracy [Primum Magnum Caelum Imperium] but de facto constitutional imperial unitary absolute human supremacist xenophobic anti-alien monarchy [Primum Magnum Caelum Imperium] that [what happened to the Primum Magnum Caelum Imperium] was [ the Primum Magnum Caelum Imperium] both a technological juggernaut [Primum Magnum Caelum Imperium] and a military powerhouse [Primum Magnum Caelum Imperium] as well as a hub of learning, scientific progress, finanical prosperity and stability and security [the Primum Magnum Caelum Imperium], [Primum Magnum Caelum Imperium] ruling [Primum Magnum Caelum Imperium] over [which territories Primum Magnum Caelum Imperium controlled] the Milky Way galaxy from [which series Primum Magnum Caelum Imperium is from] Star Wars, [the Primum Magnum Caelum Imperium] replacing [which faction Primum Magnum Caelum Imperium replaces] the ecumene from [which series the ecumine is from] Halo, a technologically advanced post-singularity technocratic aristocratic galactic hyperpower [the ecumine] that [the ecumine] was [what type of state the ecumine was] a constitutional democratic absolute monarchy [the ecumine] that [the ecumine] stretched across the Milky Way and [the ecumine] was [what happened to the ecumine] ruled by [who ruled the ecumine] Primoris prognatus [Forerunners |Primoris prognatus|], who [Primoris prognatus] were [what Primoris prognatus were] an ancient species [Primoris prognatus] of [what Primoris prognatus were |Primoris prognatus| an ancient species |Primoris prognatus| of] extremely technologically advanced, psychically and magically gifted, hyper-intelligent humanoid beings [Primoris prognatus] as [what Primoris prognatus ruled the ecumine as] its [the ecumine’s] dominant race before the end of their [Primoris prognatus’] empire [the ecumine] in [when the ecumine ended] pre-AD times, [the Primum Magnum Caelum Imperium replacing the Primoris prognatus-ruled and Primoris prognatus-dominated ecumine in this scenario] along with [the Primum Magnum Caelum Imperium in this scenario] also simultaneously replacing the absolute imperial dynastic parliamentary interstellar monarchy ruled by and dominated by the ancient alien race which arose from a single planet and then developed an immense galaxy-wide, technologically and militarily empire encompassing many other spacefaring species before it mysteriously vanished over 50,000 years ago known as the Protheans from Mass Effect in this scenario, Primum Magnum Caelum Imperium has its [the Primum Magnum Caelum Imperium’s] canon civilian and military technologies with the Star Wars humans having the same psychic and magical powers and hyper-intelligence as the Primoris prognatus in canon Halo in addition to the Primoris prognatus’ canon civilian and military technologies along with military equipment, along with [the Star Wars humans in this scenario] also having access to the Force like in canon Star Wars, and the same being true for the Julay no Dai Ginga Teikoku and the Covenant [meaning that the Julay no Dai Ginga Teikoku has access to both its own canonical civilian and military technologies, military equipment and law enforcement equipment as well as the canonical civilian and military technologies, military equipment and law enforcement equipment of the canon Covenant in canon Halo] along with [the Julay no Dai Ginga Teikoku] also replacing the galaxy-spanning paramilitary force/meritocratic military organization/pirate guild lead by the infamous race of horned extraterrestrial warmongers known as the Frost Demons [Dragon Ball Z], the Planetary Trade Organization [Dragon Ball Z], [the Julay no Dai Ginga Teikoku in this fic] also having the PTO’s technology, weapons and equipment, with the PTO itself being the Julay no Dai Ginga Teikoku’s equivalent of NAFTA and NATO combined, with the Juraians [Tenchi Muyō!], a humanoid extraterrestrial race [the Jurians] of psychics and magic users good at electronics and mechanics [the Jurians] which [the Jurians] are [what the Juraians are] the majority population [the Jurians] of [which state the Jurains are the majority population of] the Julay no Dai Ginga Teikoku, [the Jurains in this story] replacing the Frost Demons [Dragon Ball Z] and [the Jurians] also having the Frost Demons’ swordsmanships and qi/ki manipulation abilities in addition to their [the Juraians’] own canonical abilities and skills, [the Julay no Dai Ginga Teikoku replacing the PTO and the Jurians replacing the Frost Demons in this fic] thus making them [the Juraians in this story] the masters [the Juraians in this story] of the naturally aggressive warrior race descended from Great Apes who gained intelligence and took on a humanoid form who, since ancient times, have lived a violent and inhumane lifestyle, where they attack numerous planets to build up wealth and goods, the Saiyans [Dragon Ball Z], who [the Saiyans] are [the Saiyans] the same species [the Saiyans] as [what the Saiyans are the same species as] the humanoid extraterrestrial species that are externally indiscernible from humans, age towards adulthood at a similar rate, and can survive in any environment of a world that they were sent to, being capable of demostrating their many abilities, which include super strength, super speed, flight, invulnerability, telekinesis, heat vision, technopathy, and increased intellect along with durable bodies, ruled by a tyrannical dictatorship that oppresses the races in the Milky Way galaxy, known to be hostile and imperialistic, sending infants of their race to other planets as presumably one-man invaders, letting the members of the target species raise and trust the child until the age of twelve, only for a mind controlling computer kept in their ships to activate and order them to take the planet for themselves, having developed highly advanced technology, and have been able to create spaceships able to travel across vast expanses of space, with the infant-carrying pods are equipped with a computer that will activate after a certain amount of time, which will transmit a message to the children in their native language, will create or amplify murderous tendencies in them, order them to conquer the planet, and seemingly activate their powers to kill people, [this particular species] being known as the Masters from the Brightburn film, [the Masters from Brightburn and the Saiyans being the same species in this fic] with the Juraians, [the Juraians] being [the Juraians] of course the masters [the Juraians] of the Saiyans in that fic, [the Juraians] using the Saiyans to [the Juraians] conquer and subsequently clean out multiple planets not just across the Milky Way, but across the various galaxies for them [the Juraians in this fic] for settlement by the Julay no Dai Ginga Teikoku, which [the Julay no Dai Ginga Teikoku] is [the Julay no Dai Ginga Teikoku] a major consumer of the rare material that, when subjected to an electrical current, releases dark energy which can be manipulated into a mass effect field, raising or lowering the mass of all objects within that field known as Element Zero from Mass Effect in this story as well  [Nyaruko being from the the Julay no Dai Ginga Teikoku in this scenario], [Nyaruko] currently working for [Nyaruko's employer] both the Jikū Kanri Kyoku [Time-Space Administrative Bureau |Jikū Kanri Kyoku|], an interdimensional security force [Jikū Kanri Kyoku] and full-out military force [Jikū Kanri Kyoku] formed [Jikū Kanri Kyoku] jointly by a union of several worlds that also monitors cultural growth and provides disaster relief to each world under the JKK’s jurisdiction especially when it involves magic and the magical items of tremendous power that are legacies of collapsed civilizations known as Lost Logia [Mahō Shōjo Ririkaru Nanoha], [the Jikū Kanri Kyoku] from Mahō Shōjo Ririkaru Nanoha in this scenario, which [the Jikū Kanri Kyoku in this scenario] is [ the Jikū Kanri Kyoku] the Julay no Dai Ginga Teikoku's federal law enforcement agency in this story, [the Jikū Kanri Kyoku in this scenario] with Jikū Kanri Kyoku agents having access to the ubiquitous and extremely versatile tools used by the mages of the Nanoha universe whose basic function is to augment their master's magic abilities and assist them in casting spells and  take over tasks that the human brain cannot handle efficiently enough, such as recording and reproducing the spells that the mage has cast known as Devices from Mahō Shōjo Ririkaru Nanoha, more specifically the special branch of Devices which incorporate sophisticated artificial intelligence in their programming, enabling them to have some degree of autonomy along with sentinence known as Intelligent Devices from Mahō Shōjo Ririkaru Nanoha like in canon Mahō Shōjo Ririkaru Nanoha, [Nyaruko being a agent of the Jikū Kanri Kyoku] and the intergalatic and interdimensional supranational and supra-planetary body whose job is to monitor extraterrestrial criminals, terrorists and threats towards the galactic and dimensional order and dispose of them, openly or covertly before they can become a threat, the Space Defence Agency from Haiyore! Nyaruko-San, which [the SDA in this scenario] is [the SDA in this scenario] the  Julay no Dai Ginga Teikoku's department of defence/ministry of defence/ministry of war [the SDA in this scenario], with the SDA being under the control of the the Julay no Dai Ginga Teikoku's parliament in this story, formed when the Juraians formed an alliance with the extraterrestrial race that is distinctly feminine in appearance and possess maternal instincts, having a millennium-long lifespan and the ability to reproduce with a partner of any gender or species due to their unique biology, . Favoring compromise and cooperation over conflict, resembling humans, but having a blue to purple complexion, though a teal complexion is possible albeit seemingly rare, possessing semi-flexible, cartilage-based scalp-crests that grow into shape in the place of hair, being perceived as attractive to many other species, although they do have the ability to take a form resembling regular humans at will, the Asari from Mass Effect, the warm-blooded amphibians who possess a hyperactive metabolism; they think fast, talk fast, and move fast, as a result other species seem sluggish and dull-witted, being known for their observational capability and non-linear thinking, which manifests as an aptitude for research and espionage, who are constantly experimenting and inventing, the Salarians from Mass Effect, the avian extraterrestrial species whose members typically stand over 6 feet (1.8 meters) tall, have two long, proportionately thick fingers and an opposable thumb on each hand, each tipped with talons, and a set of mandibles around their mouths, along with metallic carapace, which contains trace amounts of thulium, whose forward-facing alert eyes give the impression that they possess outstanding eyesight and their teeth and jaws mimic the structures possessed by apex predators such as crocodiles or ancient, carnivorous dinosaurs, whose slender bodies allow them to move at high speeds, along with having a metallic exoskeleton, being carnivorous, known for their militaristic and disciplined culture, particularly their contributions of soldiers and starships to the Citadel Fleet and being the third race to join the Citadel, the turians from Mass Effect, [the Julay no Dai Ginga Teikoku forming an alliance with the Asari, Salarians, and the turians]  to [the Julay no Dai Ginga Teikoku] control an ancient deep-space station, presumably constructed by  the Protheans from Mass Effect, which serves as the political, cultural, and financial capital of the galactic community in the Mass Effect universe known as the Citadel from Mass Effect, which [the Citadel] was [the Citadel] constructed [the Citadel] by the humans of the Primum Magnum Caelum Imperium before its [the Primum Magnum Caelum Imperium's] fall in this story, [the Julay no Dai Ginga Teikoku forming an alliance with the Asari, Salarians, and the turians] to form the executive committee composed of one representative each from the member species of the Citadel that is the governing body of the Citadel which is the ultimate authority in Citadel space,  passing judgement for violations of Council law, settling disputes between governments, and maintaining law and order, the Citadel Council from Mass Effect, [the Julay no Dai Ginga Teikoku forming an alliance with the Asari, Salarians, and the turians to form the Citadel Council] with the Citadel Council being the Julay no Dai Ginga Teikoku's version of a intergalactic parliament in this scenario, [Nyaruko being both a agent of this story's Juraian controlled SDA and the Juraian-controlled Citadel Council in this fic] and Miyabi, whom [Miyabi] the eight to ten-year-old Issei in the past also [young Issei] used to [young Issei] play with when she [Miyabi] was [Miyabi when Issei used to play with both her and Konoe] three coming onto five and six coming on to seven years old, along with the current  Seito Kaichou [Student Council President |Seito Kaichou|]  of the school Issei attends in the present,  Majima Gakuen Kōkō [Majima Private Academy |Majima Gakuen Kōkō], an all-ages [from elementary to university] institution [Majima Gakuen Kōkō] that [Majima Gakuen Kōkō] is [Majima Gakuen Kōkō] for [Majima Gakuen Kōkō's normal student population] the spoiled and not-so spoiled heirs of immensely rich, famous and not-so-famous, along with members of Japan's remaining aristocracy, nobility and corporate families, which [Majima Gakuen Kōkō] is [what happens to Majima Gakuen Kōkō] known [Majima Gakuen Kōkō] as [the other name of Majima Gakuen Kōkō] Kuoh Gakuen [Kuoh Academy |Kuoh Gakuen|], due to it [Majima Gakuen Kōkō/Kuoh Gakuen] being [what happens to Majima Gakuen Kōkō/Kuoh Gakuen] located [where Majima Gakuen Kōkō/Kuoh Gakuen is located] near the peaceful small town of [which town Majima Gakuen Kōkō/Kuoh Gakuen is near] Kuoh [High School DxD], which [Kuoh] is [Kuoh] near Japan's Tokugawa shogunate-era capital of Kyoto, [the girl whom Issei used to play with who is now the current Seito Kaichou of  Majima Gakuen Kōkō/Kuoh Gakuen] the black-purple haired, purple-blue eyed, tall, slender and petite, but also curvy and buxom, highly strict and serious but also kind, generous, and compassionate with an emotional, delicate side as well, intellectually gifted, academically talented, water manipulation magic having young devil princess and current heiress to the Sitri clan [High School DxD], that [the Sitri clan] is one of the three Great Pillars [High School DxD] of the Underworld living in the human world under the alias of Shitori Sōna, Sitri Sōna [High School DxD], who [Sōna] is [who Sōna is] the current reincarnation [Sōna] of [whose Sōna's past life was] the having little-to-no emotions, to the point of being viewed as apathetic Dragon Goddess who represents Infinity, Chaos, and Nothingness, short, petite but also secretly buxom, black-haired, gray-eyed, elf-eared, young girl Ophis [High School DxD], [young Issei playing with young Miyabi, Konoe and Sōna when all four of them were kids] being monitored by Sōna's older sister currently is one of the upper ranks in the Underworld's society, [Sōna's older sister] the beautiful young devil woman looking in her late teens with black hair, tied into twin tails and blue eyes, having a child-like body (albeit with large breasts) who ocassionally dresses in magical girl's clothing when she feels like it, being cheerful, friendly and possesses a childlike personality despite being academically and intellectually gifted along with being good at magic, especially ice manipulation magic, Adding to her childlike personality is the fact that most of her lines end with a star and her intense fascination with magical girls, which she took to cosplaying as a magical girl as a hobby even audition in the human world, having a deep sister complex towards Sōna, which often gets her into embarrassing situations, but also being selfless and determined despite her openly childish personality, along with being well adept in using fire magic when she used a beginner spell called "Fire Shot", but raised to the point this "beginner's magic" can destroy entire meadows in an instant, being a highly skilled and talented diplomat in handling negotiations with other mythological factions and even humans, described as possessing an idol like charisma that contributed to her talent in diplomacy along with being a very powerful devil in general with immense magical power, Serafall Leviathan, formerly known as Serafall Sitri, from High School DxD, [ Serafall] who [ Serafall] like Rias, [ Serafall] is [ Serafall] also teaching at Majima as well in the present under the disguise of a human college student, more specifically as the Japanese female college basketball superstar who is a Japanese noble heiress  and  Yamato Nadeshiko  with brown eyes and short dark bluish hair, having an athletic physique due to her practicising basketball, along with ample breasts, often wearing sleeveless clothing and shorts along with cycling shorts underneath her clothes, which she considers to be her underwear, having a boyish personality, being a lesbian, fujoshi, and masochist but also secretly bisexual, being quite sloppy when it comes to keeping her room clean and organized, having a level-headed personality during serious situations despite her commonly immature nature, Kanbaru Suruga from Bakemonogatari, [Serafall being a teacher at Kuoh under the guise of Kanbaru] , [ Serafall] teaching history at Majima as Kanbaru, with most of the students and teachers at Majima being unaware of the fact that Serafall is in fact a devil, which amuses Serafall's childhood friend, the current prinsessa [princess |prinsessa|] of the Kungahuset Gremory [Royal House of Gremory |Kungahuset Gremory|] which [the Kungahuset Gremory] is one [the Kungahuset Gremory] of [the group that the Kungahuset Gremory belongs |the Kungahuset Gremory| to] Underjordens tre stora pelare [the Underworld's Three Great Pillars |Underjordens tre stora pelare|] the scarlet-haired, blue-eyed, tall, slender and buxom young Scandinavian noble woman who is in fact seductive, alluring, impatient, competitive and selfish and sultry but also kind, compassionate, determined and loving devil princess Rias Gremory from [the media franchise Rias is |Rias| from] High School DxD, who [Rias] is [who Rias is] Issei's English teacher [Rias] at Majima under the alias of the current heiress of the powerful and influencial Japanese noble family of the Kurokami clan [Medaka Box] the tall, curvy and very buxom, purple-haired and red-purple eyed, highly intelligent and skilled, academically gifted to the point of being smarter than Tesla and Einstein combined with infinite learning potential and absolute control of body function, but also somewhat cocky, arrogant and overbearing Medaka [Medaka Box], [young Serafall monitoring  young Issei playing with young Miyabi, Konoe and Sōna when all four of them were kids], [Issei in the present finding out that Miyabi] is [Miyabi] in fact [Miyabi's true self] the human form [Miyabi] of [Miyabi's true self]  the tall, slender and buxom middle school girl with two long red ponytails that fall down to her waist in length, whose eyes are red, and her skin is somewhat pale, although whether it is a side effect of her gaming or intended is unknown, being clingy in general and being very clingy towards Nyaruko in general but having a very stoic personality, being obsessed with Japanese otaku culture and human video games, being a kind person at heart, but can be extremely perverted when things get out of hand, who is in fact a member of the flame welding, pyrokinetic, extraterrestrial, hyper-intelligent, psychically and magically gifted with an ability to transform into monstrous tentaclelike god-like beings known as Cthughans [Haiyore! Nyaruko-san] and a skilled Swordsman and hand to hand combatant, named Yasaka Kūko from Haiyore Nyaruko San, who [Kūko] is [Kūko] also working for the JKK along with the SDA in this story like Nyaruko, [Konoe and Miyabi] enter the Hyōdō house, [Konoe and Miyabi] expressing surprise at [Konoe and Miyabi] seeing a bunch of Japanese government demon-hunting ninjas [the Taimanin] in, with Konoe wanting to shake the hand of the strongest, almighty Taimanin [Asagi] and Miyabi being surprised that vampires are real.

Please Note: There is no multiverse, alternate worlds, multiple worlds, dimensional crossing, or any other stuff of that sort in this story. 

All the events in this story take place within the same world and occur in chronological order.