More is revealed about Isurugi’s past as well as the holes in Sento’s memories in the next episode of Kamen Rider Build, Unsteady Identity.
Episode 5: Unsteady Identity
Written by Shogo Muto
Directed by Satoshi Morota
Action Directed by Takeshi Miyazaki (Japan Action Enterprise)
Special Effects Directed by Hiroshi Butsuda (Tokusatsu Kenkyuujo)
Sento (Atsuhiro Inukai) discovered a panel of the Pandora Box that had been stolen by Faust from the Touto Institute of Advanced Matter Physics was now hidden in the wall of the secret base underneath the cafe Nascita.
Why does Isurugi (Yasuyuki Maekawa) have this panel? Sento intensely questions him, and Isurugi and Misora (Kaho Takada) reveal the truth behind things such as their relations with Faust. What will they reveal for the first time about the relationship between this father and daughter and Faust, and their connection to the Pandora Box?
Sawa (Yukari Taki) has found a person who knows about Sento’s past. According to the young man, Sento’s real name is Taro Sato. He says lived together and they participated in a band together. But Sento simply cannot remember the face of the young man or the band they played in together.