Now, shall we begin the experiment?

10 years ago when the Pandora Box was discovered on Mars and brought to Earth, it's activated and creates a Skywall which divides Japan into Touto, Seito, and Hokuto resulting into untold chaos. Along with creating a complex power dynamic between the three regions, the event brings waves of monsters called Smash down on the country, who terrorize and attack the citizens. Sento Kiryu, an amnesiac taken in by a mysterious cafe owner named Soichi Isurugi who provides him with a belt called the Build Driver that allows him to turn into Kamen Rider Build, which he uses to fight the Smash on his own.

Cast

Atsuhiro Inukai

Sento Kiryu / Kamen Rider Build

Eiji Akaso

Ryuga Banjo / Kamen Rider Cross-Z

Kensei Mikami

Gentoku Himuro / Night Rogue / Kamen Rider Rogue

Kaho Takada

Misora Isurugi

Kouhei Takeda

Kazumi Sawatari / Kamen Rider Grease

Tetsuo Kanao

Evolto / Blood Stalk / Kamen Rider Evol (voice)

Yasuyuki Maekawa

Soichi Isurugi / Blood Stalk / Kamen Rider Evol

Yuki Ochi

Nariaki Utsumi / Night Rogue / Hell Bro's / Kamen Rider MadRogue

Yukari Taki

Sawa Takigawa

Katsuya Kobayashi

Build Driver / Nebulasteam Gun / Genius Fullbottle (voice)

Jouji Kokubo

Katsuragi Shinobu / Kamen Rider Build (Prototype)

Seasons

49 episodes

Season 12017 · 49 episodes