# Kamen Rider Reiwa: The First Generation

Kamen Rider Reiwa: The First Generation (仮面ライダー 令和 ザ・ファースト・ジェネレーション, Kamen Raidā Reiwa Za Fāsuto Jenerēshon) is a 2019 Japanese superhero film in the Movie War line of the Kamen Rider Series. It serves as a crossover between the television series Kamen Rider Zero-One and Kamen Rider Zi-O and is the fourth film of the Generations series. The film also pays tribute to Kamen Rider Zero-One, the original Kamen Rider series and the entire Heisei Kamen Rider series as a whole. It also introduces Gai Amatsu as Kamen Rider Thouser.

## Plot

The Hiden Zero-One Driver can only be used by the company's president. Whose will was the one that led to the creation of this device and it falling in the hands of Aruto Hiden? Zero-One's birth story will be revealed!
Kamen Rider Zi-O, who fought as the greatest Demon King of Heisei Kamen Riders chose to reset the world and live a new life. Why does Sougo Tokiwa transform into a Kamen Rider again and meet Zero-One? Kamen Rider Zi-O's true ending chosen by Sougo will be revealed!
The world of Zero-One and the world of Zi-O. The two heroes live in different worlds, but what is waiting for them after crossing time and space into a single world? Union or conflict? This winter marks a new legend in the history of Kamen Rider.

## Cast
### Zero-One cast

* Aruto Hiden (飛電 或人, Hiden Aruto): Fumiya Takahashi (高橋 文哉, Takahashi Fumiya)
* Isamu Fuwa (不破 諫, Fuwa Isamu): Ryutaro Okada (岡田 龍太郎, Okada Ryūtarō)
* Is (イズ, Izu): Noa Tsurushima (鶴嶋 乃愛, Tsurushima Noa)
* Yua Yaiba (刃 唯阿, Yaiba Yua): Hiroe Igeta (井桁 弘恵, Igeta Hiroe)
* Jin (迅): Daisuke Nakagawa (中川 大輔, Nakagawa Daisuke)
* Horobi (滅): Syuya Sunagawa (砂川 脩弥, Sunagawa Shūya)
* Shesta (シェスタ, Shesuta): Asumi Narita (成田 愛純, Narita Asumi)
* Sanzō Yamashita (山下 三造, Yamashita Sanzō): Arata Saeki (佐伯 新, Saeki Arata)
* Mamoru (マモル): Goro Yoshida (吉田 悟郎, Yoshida Gorō)
* Okureru (オクレル): Shogo Teramoto (寺本 翔悟, Teramoto Shōgo)
* Young Aruto: Haruto Nakano (中野 遥斗, Nakano Haruto)
* Soreo Hiden (飛電 其雄, Hiden Soreo): Koji Yamamoto (山本 耕史, Yamamoto Kōji)
* Jun Fukuzoe (福添 准, Fukuzoe Jun): Kazuya Kojima (児嶋 一哉, Kojima Kazuya)
* Korenosuke Hiden (飛電 是之助, Hiden Korenosuke): Tokuma Nishioka (西岡 德馬, Nishioka Tokuma)

### Zi-O cast

* Sougo Tokiwa (常磐 ソウゴ, Tokiwa Sōgo): So Okuno (奥野 壮, Okuno Sō)
* Geiz Myokoin (明光院 ゲイツ, Myōkōin Geitsu): Gaku Oshida (押田 岳, Oshida Gaku)
* Tsukuyomi (ツクヨミ): Shieri Ohata (大幡 しえり, Ōhata Shieri)
* Woz (ウォズ, Wozu): Keisuke Watanabe (渡邊 圭祐, Watanabe Keisuke)

### Reiwa The First Generation cast

* Will (ウィル, Wiru): Sōkō Wada (和田 聰宏, Wada Sōkō)
* Finis (フィーニス, Fīnisu): Rina Ikoma (生駒 里奈, Ikoma Rina):
* Teacher Humagear: Shin Nagahama (長濱 慎, Nagahama Shin)
* Student Humagear: Terumi Hiraiwa (平岩 輝海, Hiraiwa Terumi)
* Nurse Humagear: Yuka Yoshimura (吉村 優花, Yoshimura Yuka)
* Resistance members: Ryuji Kasahara (笠原 竜司, Kasahara Ryūji), Hayato Takenaka (竹中 隼人, Takenaka Hayato), Yuki Shiomi (潮見 勇輝, Shiomi Yūki), Tom Constantine (トム・コンスタンタイン, Tomu Konsutantain), Gaimon (ガイモン), Yurika Hashimoto (橋本 ゆりか, Hashimoto Yurika), Fumina Suzuki (鈴木 ふみ奈, Suzuki Fumina), Yusuke Sano (佐野 祐介, Sano Yūsuke), Takayuki Satō (佐藤 隆幸, Satō Takayuki), Ryō Terasawa (寺沢 了, Terasawa Ryō)
* Civilians: Happy Endo (ハッピー遠藤, Happī Endō), Kenji Hada (羽田 謙治, Hada Kenji), Koichi Wakui (和久井 幸一, Wakui Kōichi), Zenta Umegaki (梅垣 然太, Umegaki Zenta), Yūji Takahata (高畑 祐史, Takahata Yūji), Yuzu Ōhira (大平 ゆず, Ōhira Yuzu), Yoshiyuki Yamada (山田 良行, Yamada Yoshiyuki), Tomoko Kitano (北野 知子, Kitano Tomoko), Akira Shinomiya (篠宮 暁, Shinomiya Akira)

### Voiceover roles

* Kamen Rider Thouser (仮面ライダーサウザー, Kamen Raidā Sauzā): Nachi Sakuragi (桜木 那智, Sakuragi Nachi)
* Another 1 (アナザー1号, Anazā Ichigō): Kōji Ishii (石井 康嗣, Ishii Kōji)

## Theme song

* ""Another Daybreak" 01 Movie Edition"
** Lyrics: Takanori Nishikawa+Yuyoyuppe
** Composition: J
** Arrangement: J×Takanori Nishikawa and DJ'Tekina//Something
** Artist: J×Takanori Nishikawa

## Reception

Kamen Rider Reiwa The First Generation grossed $7,529,337 at the box office.