Kamen Rider Build: The Stranded Scientist

Kamen Rider Build: The Stranded Scientist (仮面ライダービルド: ストランドの科学者) is a Japanese tokusatsu drama in the Kamen Rider series by Toei Company and Ishimori Productions. Made as a sequel and alternate run of the events of Kamen Rider Build, along with its status as a crossover with the American web animation, [|RWBY], it was produced for a full run after the success of Kamen Rider Build in Japan, and worldwide. It began airing on BS Asahi and Tokyo MX alongside the current Kamen Rider series. Inoru Toki writes and directs the show in his first Kamen Rider series.

The tagline of the series, keeping in line with its predeccessor, is "Well, shall we begin the experiment? (さ、 実験 を 始めよう か?)

Timeline

 * Kamen Rider Build: Takes place during the events of Episode 36 of the main series, during the suicide attack on Evolto.
 * | RWBY: Takes place after |Episode 1 of the main series, entering an AU.

Plot
1= "The Pandora's Box, a device which contains enough power to destroy all of Earth, has finally been opened by the extraterrestrial entity, Evolto! However, he has been defeated by the one and only Kamen Rider Build, Kiryu Sento! However, two worlds may be potentially at danger! Standing up to these enemies, are the Kamen Riders!"

- Narrator (episode 1)

In what was supposedly Kiryu Sento's finally battle against the planet-destroyer Evolto, he commits the gravest sins to ever exist in the name of love and peace; executing a suicide attack that takes the life of Evolto, destroying the both of them. The remaining Kamen Riders are left lost, and confused as to what to do.

However, he wakes up in a new world, with more questions that he has ever had than before. Why was he here? And why are there the FullBottles and Smash here? However, he has to put aside his questions for the time being, and the remaining Kamen Riders on Earth are forced to put aside their loss, as new threats threaten the two worlds!

nascita

 * Isurugi Misora
 * Takigawa Sawa

Hokuto

 * Tajimi Yoshiko
 * Ubukata Massugu

Namba Heavy Industries Ltd.

 * Namba Juzaburo

Salem's Faction

 * Salem
 * Cinder Fall
 * Arthur Watts
 * Tyrian Callows
 * Hazel Rainart

Earth

 * Kiryu Sento (桐生 戦兎): Inukai Atsuhiro (犬飼 貴丈)
 * Banjou Ryuga (万丈 龍我): Akaso Eiji (赤楚 衛二)
 * Sawatari Kazumi (猿渡 一海): Takeda Kouhei (武田 航平)
 * Himuro Gentoku (氷室 幻徳): Mikami Kensei (水上剣星)
 * Isurugi Misora (石動 美空): Takada Kaho (高田 夏帆)
 * Takigawa Sawa (滝川 紗羽): Taki Yukari (滝 裕可里)
 * Tajimi Yoshiko (多治見 喜子): Gi Ryoko (魏 涼子)
 * Namba Juzaburo (難波重三郎): Hamada Akira (浜田 晃)
 * Utsumi Nariaki (内海 成彰): Ochi Yuki (越智 友己)
 * Washio Fu (鷲尾 風): Adachi Osamu (足立 理)
 * Washio Rai (鷲尾 雷): Nasuda Yuudai (奈須田 雄大)

Suit Actors

 * Kamen Rider Build: Takaiwa Seiji (高岩 成二)
 * Kamen Rider Cross-Z: Eitoku (永徳)
 * Kamen Rider Grease: Fujita Satoshi (藤田 慧)
 * Night Rogue, Kamen Rider Rogue: Watanabe Jun渡辺 淳 (Watanabe Jun)
 * Kamen Rider Evol: Okada Kazuya (岡田 和也 Okada Kazuya)
 * Engine Bros., Hell Bros.: Azuma Keisuke (東慶介)
 * Remocon Bros., Hell Bros.: Nakata Yuji (中田 裕士)