Write an interesting, dark fantasy, High fantasy, urban fantasy, romantic comedy, science fantasy, science fiction, harem narrative in the form of a crossover fanfic between High School DxD and Magika Swordsman and Summoner in which many years after the return of the the various deities, nature spirits and folk lore entities that exclusively form a contract with preteen and teenage girls along with young to early middle age women between the ages of 13-35, with the pregnancy of the contractee terminating the contract between the respective human or supernatural creature female and their respective spirit known as elemental spirits from Bladedance of Elementalers, which are the same entities as the manifestations of a creature, a concept, or a character from some mythology or folk belief, inhabiting Astrum from Magika Swordsman and Summoner, an alternate dimension [Astrum] parallel to Earth known as the Divas, who [the Divas] normally form contracts with young girls from the age of 14, with the young girls and women who form a contract with the Diva having a mark known as a Stigma from Magika Swordsman and Summoner and [the Divas] having the ability to allow their contractors to summon the magic armor that can only be used by Diva contractors, normally taking the form of skimpy mage and Knight armor akin to those seen in eroges, perverted J-RPGs and perverted Japanese fantasy games, Décolleté Oblique [Cleavage required] from Magika Swordsman and Summoner, [the Divas from Magika Swordsman and Summoner] to the world as a result of a botched Nazi experiment during WW2, which caused the Nazis to have enough time to prepare their nuclear ICBMs to nuke Moscow and then London and also for the Imperial Japanese to wipe out the cream of the Soviet Workers' and Peasants' Red Army coming in from Siberia and Outer Manchuria to assist the Soviet-occupied Mongolians and the Soviet-controlled Nationalist Chinese in Guangdong and Guangxi against the Japanese supported resuscitated Beiyang Government-ruled first Republic of China in the form of the Japanese protectorate of the Reorganized National Government of the Republic of China lead by Dr. Sun Yat-sen's protoje and true heir, Wang Jingwei as its then president in Han China, the Qing Imperial family, the Manchu Imperial House of Aisin-Gioro-ruled Empire of Great Manchuria/Manchukuo in Manchuria and the main branch of the Genghis Khan-descended Imperial House of Borjigin-ruled Mongolian Autonomous Federation/Mengjiang in Inner Mongolia's Chahar and Suiyan provinces along with the Yunnan Clique in Yunnan, with the American mercenaries coming in to assist the Nationalist Chinese against the Japanese, Beiyang Government, Inner Mongolians and Manchurians also being wiped out, forcing Stalin into an armstice with the Japanese before the nuking of Moscow. The European Axis conquers the Allies and the British Empire flees to Canada. In the 21th century, 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] this story's version of  the brown-haired, brown-eyed, tall and slender, kind and caring skilled at cooking and chores but also hated himself, adopted son of the Japanese Hayashizaki noble house with Lemegeton [Magika Swordsman and Summoner], who [Lemegeton in this story] takes the form of [what Lemegeton’s human form is] a petite young girl [Lemegeton’s human form] who [Lemegeton’s human form] has [Lemegeton’s human form’s] long silver hair, dark tan colored skin, yellow eyes as well as white star-shaped tattoos on her [Lemegeton’s human form] forehead, arms and legs with [what else Lemegeton has] a cheerful, upbeat, childish, somewhat naive and loving personality as well as a bad habit of [Lemegeton] speaking in first person, [Lemegeton] having the ability to [what Lemegeton has the ability to |Lemegeton| do] control the Divas [Magika Swordman and Summoner] known in Judeo-Christian mythology as the “72 Pillars of Solomon”, her [Lemegeton’s] contractors having the ability to gain the powers of said Divas [the so-callled “72 Pillars of Solomon”] by making their [the so-called “72 Pillars”'s] contractors fall in love with them [Lemegeton’s contractors], as his Diva, Hayashizaki Kazuki from Magika Swordsman and Summoner, [Kazuki] who [Kazuki] is [Kazuki] a student [Kazuki] at [the school Kazuki attends] Kokuritsu Kodomo Gakuen [National Samurai Academy |Kokuritsu Kodomo Gakuen|], a Japan-wide government educational institution [the Kokuritsu Kodomo Gakuen] for [the purpose of the Kokuritsu Kodomo Gakuen] sponsoring Japanese samurai, noble and aristocratic families who have Diva [Magika Kenshi to Shōkan Maō] contractees or posses strong swordsmanship inheritance, [the Kokuritsu Kodomo Gakuen] from [the media franchise the Kokuritsu Kodomo Gakuen is |the Kokuritsu Kodomo Gakuen| from] Magika Swordsman and Summoner, [Issei being this story's version of Kazuki] and thus [Issei] having Lemegton as his [Issei's] Diva in this story, [Issei] stirs up a controversy at the school he [Issei] attends 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, when one of his [Issei's] little sisters in this story, [one of Issei's Little sisters in this story] 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!, [Konoe] who [Konoe] is this story's version of the eldest of the Hayashizaki family's biological daughters and thus being one of Kazuki’s adoptive little sisters, the beautiful, short, slender and petite but secretly buxom young girl and traditional Japanese beauty who is also a Japanese noble heiress with white skin, with long teal hair in a ponytail with a big red bow holding it in place and red-brown eyes, who carries around two kodachi with red colored tsuka, she is always seen carrying her swords, having a shy, reserved and soft-spoken personality but loving her older brother Kazuki so much that it became almost an obsession for her as when she said she will do anything to make Kazuki go to the Kokuritsu Kodomo Gakuen’s Swordsmanship Division from Magika Swordsman and Summoner, [the Kokuritsu Kodomo Gakuen’s Swordsmanship Division] being the section of the Kokuritsu Kodomo Gakuen where the swordsmanship students are trained, but she will do anything to gain his [Kazuki’s] affection, along with being cold to those she isn’t familiar or friendly with, Hayashizaki Kanae from Magika Swordsman and Summoner, [Konoe being this story's version of Kanae], [Konoe] shows up at his [Issei's] class when he [Issei] is [Issei] trying to stop his [Issei's] classmates and [Issei's] only friends at Majima: the bald-headed, half-African American, track star who also is very perverted and shameless, Matsuda from High School DxD and Matsuda’s only other childhood buddy apart from Issei: the brown-haired, glasses-wearing, tall and slender, intellectually and academically gifted but also perverted and shameless, having the ability to measure a girl’s “three sizes” with his glasses, Motohama from High School DxD, who [Matsuda and Motohama] are [Matsuda and Motohama] his [Issei’s] childhood friends, [Issei trying to stop Matsuda and Motohama] from [Matsuda and Motohama] peeping [Matsuda and Motohama] on the girls of Majima's Ken’do [the way of the sword/sword way |Ken’do/Kendo/Kendō|, a traditional Nihon-jin style of fencing |Kendo| with |what is used to fight in Kendo| a two-handed wooden sword known as |the name of the two-handed wooden sword used in Kendo| a bokken, {Kendo} derived |Kendo| from |where Kendo originated from| the fighting methods of the ancient samurai] Buno [Club |Buno|], [Issei trying to stop Matsuda and Motohama from peeping on the girls of Majima's Ken'do Buno] knowing that 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 of devil nobles [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], who [Sōna] also has a crush on Issei in this story as well, despite her [Sōna in this story] being [what Sōna in this story is] the Seito Kaichou [Student Council President |Seito Kaichou|] of [the school Sōna in this story is the Seito Kaichou |Sōna in this story| of] Kuoh, [Sōna] was on the lookout for them [Issei, Matsuda and Motohama] lately due to Matsuda's and Motohama's antics, with things getting worse for him [Issei] when Konoe, accompanied by another one of Issei's little sisters in this fanfic, 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 being accompanied by Konoe when visiting Issei at Majima] each girl [Konoe and Miyabi] respectively bringing their [Konoe's and Miyabi's] own bentō [a single-portion take-out or home-packed meal, often for lunch in Japan, which typically includes rice or noodles with fish or some other meat, often with pickled and cooked vegetables in a box, which |the box| ranges from mass-produced disposables to hand-crafted lacquerware,with a divided used to separate ingredients or dishes, especially those with strong flavors, to avoid them affecting the taste of the rest of the meal] to Issei, which causes Matsuda to ask where he [Issei] got two hot chick's from, causing Konoe and Miyabi to shrink back from the two perverts in fear and amuzing 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 seductive, alluring, impatient, competitive and selfish and sultry but also kind, compassionate, determined and loving, tall, slender, curvy and buxom, scarlet-haired, blue-eyed devil princess Rias Gremory from [the media franchise Rias is |Rias| from] High School DxD, [Rias] who [Rias] is [Rias] currently an English teacher at Majima, even though most of the student population and teacher population at Majima obviously don’t know that she [Rias] is [Rias] a devil, [Rias] as she [Rias] along with Sōna's older sister and Rias' childhood friend who was the former Sitri heiress before Sōna and 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, [ Serafall] teaching history at Majima, with most of the students and teachers at Majima being unaware of the fact that  Serafall is in fact a devil, [Rias and Serafall] jointly step into the room.