Ep 1: These Two Are A Best Match
Unidentified creatures called Smash have appeared at Touto, Sento Kiryu turns into Kamen Rider Build to fight against them. One day, he saves a guy named Ryuga Banjo who escaped from a prison.
犬飼貴丈
Sento Kiryu / Kamen Rider Build
赤楚衛二
Ryuga Banjo / Kamen Rider Cross-Z
水上剣星
Gentoku Himuro / Night Rogue / Kamen Rider Rogue
高田夏帆
Misora Isurugi
武田航平
Kazumi Sawatari / Kamen Rider Grease
金尾哲夫
Evolto / Blood Stalk / Kamen Rider Evol (voice)
前川泰之
Soichi Isurugi / Blood Stalk / Kamen Rider Evol
越智友己
Nariaki Utsumi / Night Rogue / Hell Bro's / Kamen Rider MadRogue
滝裕可里
Sawa Takigawa
小林克也
Build Driver / Nebulasteam Gun / Genius Fullbottle (voice)
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