Kamen Rider: Reiwa The First Generation

is a Japanese superhero crossover film between Kamen Rider Zero-One and Kamen Rider Zi-O, serving as the 11th Movie War, tribute to the original Kamen Rider series, and the 4th installment of the Generations Series. In the film, Aruto and Sougo fight the Time Jacker Finis, who has invaded the World of Zero-One and altered its timeline. Kamen Rider Thouser makes a brief appearance in the film ahead of his in-series debut.
==Production==
===Development===
After the premiere of Kamen Rider Heisei Generations Forever, Toei announced a Movie War crossover film between Kamen Rider Zi-O and the first succeeding Rider of the Reiwa era to premiere in the Winter of 2019, which was tentatively titled Kamen Rider Next Generations 2020.https://natalie.mu/eiga/news/312544 After the premiere of Kamen Rider Zi-O: Over Quartzer, which featured a cameo appearance from Zero-One, the Movie War film's title was officially revealed to be Kamen Rider: Reiwa The First Generation.https://natalie.mu/eiga/news/341180 
===Writing===
Takahashi stated that the film's objective as the first film in the Reiwa-era is to answer the question as to "what is a Kamen Rider" to new fans. Although the film was a crossover between Zi-O and Zero-One, scriptwriter Takahashi was told by producer Shirakura that the film's story did not necessarily have to intertwine both, but he found it particularly difficult not to. Takahashi decided to use the film's opportunity to explore the secret origins of Aruto's powers and introduced Kamen Rider Type-1 to achieve this. He differentiated the film from the series in that the film explores how the Humagear sees humans, as opposed to vice versa. The film's story focuses entirely on Aruto and his relationship with his father. As Zi-O had elements of time travel, Takahashi sent Aruto back in time to interact with his father, who was already deceased by the events of the first episode. He stated that if viewers rewatched the first episode after seeing the movie, they'd gain a deeper understanding on what happened to Soreo during the Daybreak Town Accident. 
==Synopsis==
12 years ago, the Daybreak Town Accident changed the world and brought forth a new prosperity towards artificial intelligence. But what if that were to all change? 
Sougo Tokiwa gave up his conquest for power after he chose to reset the world and live a mundane life. However as a Time Jacker began to alter history once again, Sougo is forced to take up the mantle as Kamen Rider Zi-O once again, as he meets Aruto Hiden, the native Rider of the world he has to save. 
This is the story of two Kamen Riders from two different worlds, whose fight together will ultimately determine the fate of all reality.
==Continuity and Placement==
*Kamen Rider Zero-One: The film takes place between episodes 9 and 10. Thouser's appearance in the post-credits takes place sometime after Project Thouser. The film's events are acknowledged in Episode 25.
*Kamen Rider Zi-O: The film takes place between the series finale and Kamen Rider Zi-O NEXT TIME: Geiz, Majesty.https://twitter.com/cron204/status/1214192690310500353
==Plot==
Aruto Hiden wakes up from a dream he had of the Daybreak Town Accident. Realizing that he was late, he hurriedly rushed out of his apartment for Hiden Intelligence, spotting several types of Humagears he didn't know existed on the way. Arriving at the building, Aruto is subdued by the Humagears in the building and is shocked to discover that there was a new CEO, Will, who attacks him as Another Zero-One.
At Hikarigamori High School, Tsukuyomi poses a question to both Sougo and Geiz, asking them what they'd do should the world end. Upon reaching their classroom, they discover that all the faculty and students were robots, who were teaching themselves their revolution against humanity. After their teacher and the students deduced the trio to be humans, they move in and attack them, but Woz arrives and rescues them, later restoring their memories.
Aruto is thrown out of the building and activates his Driver, but the Rider Model mystically appears from the ground. He transforms into Zero-One to fight him, but his powers were sapped away shortly and his Driver taken. With no choice left, Aruto runs from the Humagears attacking him in public led by the Berotha Magia and Okureru as the Kuehne Magia. He was later rescued by Isamu Fuwa and Yua Yaiba and taken to the human resistance. After meeting Is, who explained that there was a temporal disturbance in their universe, a platoon of Humagears led by Will, Horobi, and Jin began to raid the resistance base. Wanting to help fight, Soreo Hiden gives him a Forceriser, allowing him to transform into Kamen Rider Zerozero-One. In the midst of the resistance's defeat, Zi-O's team arrived and were successful in driving the Humagear force back. After explaining that the cause of this was due to Finis, a Time Jacker, Aruto goes back to 2007, 12 years in the past with Zi-O's team.
At the HidenExpo 2007 conference, Korenosuke Hiden presented the Humagears to the audience. In his office, his secretary Will expressed a desire to also be happy from taking over human labor. Disregarding this as an error, Korenosuke laughs it off. Arriving in 2007, Aruto and the Zi-O team reach the development factory and fight the Humagears that were terrorizing the workers. Aruto confronts Kamen Rider Ichi-Gata, whom he recognized as his father at the time. Soreo says that he will bring happiness to Humagears. It is revealed that he is working on the Ark Satellite, which caused the events to happen in the present day.
Finis arrives and presents Will with the Another Zero-One Watch, explaining that in the future, the revolution was stopped. Somewhere nearby, the Zi-O team encounter Finis, who wants to take all of the Kamen Rider powers for themself to prevent the rise of Ohma Zi-O. By corrupting the powers they took from Sougo, they transform into Another 1, and Sougo transforms into Zi-OTrinity. Later, Sougo and Geiz fight the Another Rider using their Time Mazines. Geiz throws his Time Mazine into the Another Rider, but becomes damaged and is forced to abandon it.
Now armed with the powers of Another Zero-One, Will attacks Soreo, who also revealed that he was planning on destroying the satellite so that humanity doesn't fall. Both Aruto and Soreo transform to fight Will, but he takes them both down and stops Soreo's bomb. Satellite Ark then launches into space, activating its control over all the Humagears on Earth. Will returns to Hiden Intelligence and kills Korenosuke while Soreo, now controlled by the Ark, attacks Aruto. Another 1 arrives in their area, and Geiz saves Aruto, telling him that there's nothing else they can do in that time period. Sougo picks them up and they return to 2019.
Returing to the resistance base, the resistance tell Aruto that Is gave herself up to stop the attack and was taken by Will. Aruto heads over to the conference center and exclaims his dream of a coexistence between human and Humagear. After Soreo reveals himself in the audience, Shesta announces that an emergency vote will occur at this point, for as to whenever Aruto should become president. As Soreo held the majority of the stocks at the company, his vote is absolute. In the end, he voted no, and the Ark corrupted every single HumaGear in the audience, in which Will sends to attack Aruto. In the lobby, the resistance as well as Zi-O's team arrive to help fight the Humagears. Aruto faces his father and announces his intent to defeat his father and regain his powers. Elsewhere, Horobi and Jin fight Geiz, Tsukuyomi, and Woz, and Isamu and Yua fight a group of Humagears outside, later taking out Another Zero-One themselves.
Sougo confronts Finis, who had used Geiz's Time Mazine to come from the past. They both transform into Zi-O II and Another 1 respectively and fight. Aruto continues his fight with this father, who ultimately let his son defeat him, later revealing he was faking his evil nature this whole time, to ensure that Aruto was serious about having both human and Humagear coexist. With his death and "yes" vote, Aruto becomes president and receives the Zero-One Driver.
Another 1 absorbs Geiz's Time Mazine and becomes Another New 1. The Zea satellite is launched, and Aruto transforms into Zero-One to help Zi-O fight Another 1. Zero-One attacks them with Rocking Kaban Strash, and they attack them with other Progrisekeys and GrandZi-O. They finally finish them with their combined 'Rising Impact Time Break'. Everything returns to normal. Daybreak Town, Soreo, and Ark meet their original fates once again.
Later, Aruto and Team Zi-O meet again. Woz tells Aruto that everything has turned back to normal and only him and Is will remember the events due to being connected to each other through Satellite Zea. Before leaving, Sougo says that he must erase Aruto's memories as well in order to return everything to normal. Aruto resists and both of them transform and engage into a friendly duel.
Mid-Credits Scenes
Everything returns to normal. Jin and Horobi, back in their base, wonder for how long would humanity continue to rule over the Earth. Jun immediately calls Shesta and Sanzo and requests them to create a Rider System for him while he practices his pose. Fuwa tells Yua about a dream in which he was turned into a Humagear. He asks Yua to destroy him if such a thing happens in reality. Yua asks him about his actions if she is turned into one, and Fuwa assures her that he will crush her.
Sougo, Geiz and Tsukuyomi return to their High School. Sougo teases Geiz because the latter slept during the class, but Geiz disagrees. Tsukuyomi comments that the truth is written on Geiz's face, which reminds Sougo of Zi-O's visor, but he doesn't tell them about it.
Aruto misses Soreo while staring at the Humagear body in his office. When Is arrives, he asks her to change the design of his business cards and explains it, but Is remembers Aruto's recent journey through timeline.
Post-Credit Scene
On the boundary of the Daybreak Town stands a golden Kamen Rider under the moonlight. He claims that his schemes are going exactly as he planned, or instead at 1000% rate.
==Characters==
===Kamen Riders===
Kamen Rider Zero-One 	Aruto Hiden
Kamen Rider ZeroZero-One	Aruto Hiden
Kamen Rider Vulcan 	Isamu Fuwa
Kamen Rider Valkyrie 	Yua Yaiba
Kamen Rider Ichi-Gata 	Soreo Hiden
Kamen Rider Zi-O 	Sougo Tokiwa
Kamen Rider Geiz 	Geiz Myokoin
Kamen Rider Woz 	Black Woz
Kamen Rider Tsukuyomi 	Tsukuyomi
===And Introducing Thouser===
Kamen Rider Thouser	Gai Amatsu
===Allies===
*Is
*Korenosuke Hiden
*Jun Fukuzoe
*Sanzo Yamashita
*Shesta
*Teruo Nikaido
*Ono
*Ito
===Villains===
====Another Riders====
Another Zero-One	Will
Another 1 	Finis
====MetsubouJinrai.net====
Kamen Rider Jin 	Jin
Kamen Rider Horobi	Horobi
====Magia====
Trilobite Magia	Various
Battle Magia 	Various
Berotha Magia 	Unnamed Humagear
Kuehne Magia 	Okureru
====Other====
*Mamoru
==Cast==
;Zero-One Cast
*: 
*: 
*: 
*: 
*: 
*: 
*: 
*: 
*: 
*: 
*Hiden Zero-One Driver, A.I.M.S. Shot Riser, MetsubouJinrai Forceriser: , 
*: 
;Zi-O Cast
*: 
*: 
*: 
*: 
;Guest Cast
* : 
* : 
*Resistance member: , , , Tom Constantine, , , , , 
*Civilian: 
*: 
*: 
===Suit Actorshttps://japanactionenterprise.com/news/0046/===
*Kamen Rider Zero-One, Kamen Rider ZeroZero-One, Kamen Rider Geiz: 
*Kamen Rider Zi-O, Kamen Rider Horobi, Kamen Rider Ichi-Gata: 
*Kamen Rider Vulcan: 
*Kamen Rider Valkyrie: 
*Kamen Rider Jin, Kamen Rider Woz, Another Zero-Onehttps://www.kamen-rider-official.com/collections/21/16: 
*Kamen Rider Tsukuyomi: 
*Kamen Rider Thouser: to be determined
==Forms and Collectibles Used==
===Progrisekeys===
*Key Used:
**Zero-One
***Rising Hopper, Biting Shark, Flaming Tiger, Freezing Bear, Breaking Mammoth
**ZeroZero-One
***Rising Hopper
**Vulcan
***Shooting Wolf
**Valkyrie
***Rushing Cheetah
**Jin
***Flying Falcon
**Horobi
***Sting Scorpion
**Thouser
***Amazing Caucasus
*Form Used:
**Zero-One
***Rising Hopper, Biting Shark, Flaming Tiger, Freezing Bear, Breaking Mammoth
**ZeroZero-One
***Rising Hopper
**Vulcan
***Shooting Wolf
**Valkyrie
***Rushing Cheetah
**Jin
***Flying Falcon
**Horobi
***Sting Scorpion
===Zetsumerisekeys===
*Key Used:
**Zero-One
***Rocking Hopper (in Attache Calibur)
**Ichi-Gata
***Rocking Hopper
**Thouser
***Awaking Arsino
*Form Used:
**Ichi-Gata
***Rocking Hopper
===Ridewatches===
*Watch used:
**Zi-O
***Zi-O (2019 ver.), Zi-O Ridewatch II, Zi-OTrinity, GrandZi-O
**Geiz
***Geiz
**Tsukuyomi
***Tsukuyomi
*Rider Armor(s) used:
**Zi-O
***Zi-O II, Zi-OTrinity, GrandZi-O
**Geiz
***N/A
**Tsukuyomi
***N/A
*Kamen Rider(s) summoned in GrandZi-O:
**Rider Slash: Ghost Ore Damashii, Ex-Aid Action Gamer Level 2, Gaim Orange Arms, Blade, OOO Tatoba Combo, Kabuto Rider Form, Den-O Sword Form
**Rider Shooting: Ryuki, Hibiki, Decade, Wizard Flame Style, Drive Type Speed, Build RabbitTank Form
**Rider Punch: Kuuga Mighty Form, Agito Ground Form, Faiz, Kiva, Double CycloneJoker, Fourze Basestates
*Weapon(s) summoned in GrandZi-O:
**Zikan Girade, Saikyo Girade
RTFG - Ghost.png|Ghost being summoned
RTFG - Ex-Aid.png|Ex-Aid being summoned
RTFG - Gaim.png|Gaim being summoned
RTFG - Blade.png|Blade being summoned
RTFG - OOO.png|OOO being summoned
RTFG - Kabuto.png|Kabuto being summoned
RTFG - Den-O.png|Den-O being summoned
RTFG - Snipers.png|Ryuki, Hibiki, Decade, Wizard, Drive and Build being summoned
Summons.png|Kuuga, Agito, Faiz, Kiva, W and Fourze being summoned
===Miridewatches===
*Watch used:
**Woz
***Woz
*Futurering(s) used:
**Woz
***N/A
==Errors==
*Aruto was able to use the Rise Hopper despite the fact that it is stored in Satellite Zea, which was underground.
*After utilizing Rising Dystopia against Ichi-Gata, ZeroZero-One pushes and pulls the Force Executor on the Forceriser twice to perform Rising Utopia, in which he only had to push and pull the trigger once.
*On the computer screen at the Human Resistance's base, The word "Monitor" is misspelled as "Moniter".
*During the scene where Geiz and Tsukuyomi are present during the battle at Hiden Intelligence, the production crew can be spotted via pillar reflection.
Satellite There Spelling.png|The word "Monitor" is misspelled.
Reiwa The First Generation staff error.jpg|Production crew is seen in reflection.
==Music==
;Ending Theme
*"Another Daybreak"
**Artist: J x Takanori Nishikawa
===Soundtrack===
The soundtrack contains 51 tracks of music.
#Aruto's Elegant Morning
#Will's Theme
#Everyday Highschool Life
#World of Humagear
#Human Eradication
#You Are Woz
#Strongest Will's Theme
#What Is Going On!
#True Ohma Advent Calendar
#Hiden Intelligence CM Song Will ver.
# Human Discovered
#Domination of the Humagear
#Resistance March
#Battle of the Hideout
#Hooded Man
#ZeroZero-One
#Black Time Mazine
#Rebellion of the Humagear
#Let's go. To the day it all began
#New Age of Humagear
#Winter of Twelve Years Ago
#Humagear Development Factory
#Parent and Child Theme
#Satellite Trouble
#The past cannot be changed
#Commands of the Satellite
#If it's the future, you can change it yourself
#Will of the Ark
#Finis Theme
#Satellite Ark Corridor
#A world where I smile
#Kamen Rider Ichi-Gata Theme
#Finis Theme 2
#Zi-OTrinity Transformation
#Underground Shelter & Hangar
#Hiden Intelligence Shareholders Meeting
#Is' Dream Theme
#Horobi, Jin and Battle Magia
#Kamen Rider Ichi-Gata Transformation
#Kamen Rider Horobi & Jin Transformation
#The Rider's Power
#Soreo & Aruto Theme
#Deathblow Defeat
#Another Zero-One Defeat
#Another 1 Battle
#Final Battlefield
#Zero-One, GrandZi-O Rider Kick
#Daybreak Town Revives
#Clash of Zi-O & Zero-One
#Thouser's Theme
#Another Daybreak (01 Movie Edition)
The film's original soundtrack is included in the Kamen Rider Zero-One CD Box.
==Marketing==
The catchphrase for the movie is 
==Release==
==Notes==
*Progrisekey Count at movie end
**Progrisekeys in Zero-One's possession: Rising Hopper, Biting Shark, Flaming Tiger, Freezing Bear, Breaking Mammoth
**Progrisekeys in Vulcan's possession: Shooting Wolf, Punching Kong
**Progrisekeys in Valkyrie's possession: Rushing Cheetah, Lightning Hornet
**Progrisekeys in Jin's possession: Flying Falcon
**Progrisekeys in Horobi's possession: Sting Scorpion, Amazing Hercules
**Zetsumerisekeys in MetsubouJinrai.net's possession: Berotha, Kuehne, Ekal, Neohi, Onycho, Vicarya, Gaeru, Mammoth, Dodo
*The existence of a human resistance force fighting against Another Zero-One and the Humagears lead by Will, due to the timeline changes caused by Time Jacker Finis, is similar to the group of humans fighting against enemy machines called Humanoise in the future shown in the year 2121 (Kamen Rider Kikai's era), in which was subconsciously created from Sougo Tokiwa's increasing potential as Zi-O.
**The fact that this is a callback to an apocalyptic future is referenced by Geiz, Woz, and Tsukuyomi in the film, where they called it an act of deja vu.
*Kamen Rider ZeroZero-One's transformation effect uses the same metal locusts that would later be used for Metalcluster Hopper.
*Vulcan and Valkyrie are able to destroy Another Zero-One, suggesting that other contemporary Riders are able to destroy Another Riders based on the Primary Rider. However, previously established situations in which this happens results in the Anotherwatch being intact. Vulcan and Valkyrie's attack may simply have been powerful to destroy Will's body.
*In the end of the movie, Zi-O's transformation effect is modified to resemble to Ohma Zi-O's transformation effect. This could potentially be due to him utilizing Ohma Zi-O's abilities to remove his and Aruto's memories of the movie.
*Certain scenes in the film foreshadow events that would take place in Zero-One's second to the last arcs:
**One of Another Zero-One's abilities is summoning a swarm of grasshoppers, mirroring MetalCluster Hopper's ability pre-introduction of the Progrise Hopper Blade.
**Will's concern about the future of the Humagears foreshadows Jin's philosophy after his resurrection during the middle of the second arc.
**Fuwa's dream of becoming a Humagear also foreshadows the revelation that Naki had been uploaded into the chip in his head in the previous episode and would be using his body unaware in the episodes that followed.
**Fuwa and Yaiba's conversation about killing each other one day, hypothetically should they become Humagears, mirrors the final episodes of the second arc, and the beginning of the third arc, where Fuwa comes into direct conflict with Yaiba, who sided with Gai Amatsu at the time. The concept of 'human becoming evil' also foreshadows the introduction of the Raiders.
**Aruto, Fuwa, Yaiba facing against Hiden Intelligence after it has been taken over by Gai Amatsu during the third arc.
**Is announcing her wish to be with Aruto, mirrors the first episode of the third arc, where Is initially chose to return to Hiden under Gai, but eventually decided to side with Aruto for his belief in doing "what is the best for humanity and Humagears alike".
**Will, an original-generation Humagear who received a new Humagear body, mirrors that of Horobi, Jin, Naki and Ikazuchi after both of their proper resurrection.
*During the credits, the transformation poses that Fukuzoe makes somewhat resemble those done by Takeshi Hongo.
==External Links==
* Official Website
==Navigation==
Category:Kamen Rider Movies
Category:Movie War
Category:Crossovers