He later escaped from prison, and was taken in by Sento Kiryu. When Takumi Katsuragi learned of Ryuga's true nature, Takumi attempted to lure him into his apartment an kill him and Evolto, but the plan backfired when Evolto erased Takumi's memories and killed Taro Sato, with Ryuga being framed for the murder. As a result, Ryuga was born after only two months of gestation, and spent much of his childhood being tested by Namba Industries.

Prior to his birth, a portion of Evolto's essence, fused with the unborn Ryuga in a failed attempt to possess his mother Yuri Banjo ( 万丈優里, Banjō Yuri ). Ryuga Banjo ( 万丈龍我, Banjō Ryūga) is a 23-year-old former professional fighter born in Yokohama. Sento Kiryu is portrayed by Atsuhiro Inukai ( 犬飼貴丈, Inukai Atsuhiro). Certain combinations work better than others, with optimal combinations being labelled as a Best Match ( ベストマッチ, Besuto Matchi ). Sento transforms into Kamen Rider Build with the Build Driver ( ビルドドライバー, Birudo Doraibā) belt, which combines the essence contained within a pair of Fullbottles ( フルボトル, Furubotoru) to access a variety of forms with unique abilities. After learning of his true identity, there were a number of times where Sento's and Takumi's personalities would swap places, but the Takumi personality eventually chose to disappear so that Sento could defeat Evolt.Īfter the final battle, he and Ryuga were teleported to the 'new world', which is actually the main Kamen Rider universe, where Sento is sometimes mistaken for this world's version of Taro Sato, whom he becomes a fan of as revealed in Kamen Rider Zi-O. It was eventually revealed that his true identity was the demon scientist Takumi Katsuragi, whose memory was erased after a failed assassination attempt on Evolto and faced swapped with Tarō Satō ( 佐藤太郎, Satō Tarō). He was found by Sōichi Isurugi and was offered shelter at Nascita.

He is a genius physicist who has amnesia, with his only memory being Night Rogue performing experiments on him. Sento Kiryu ( 桐生戦兎, Kiryū Sento) is the main protagonist of the series. Several characters gather at Nascita, a café owned by Sōichi Isurugi where he lives with his daughter Misora.

Kamen rider ex aid flash belt