Kamen Rider Series S22E02 - Come on, Outer Space

Kengo reveals to Gentaro that he must turn off the Zodiarts Switch used by the person who activated it in order to truly defeat a Zodiarts. As Gentaro and Yuki search the campus for the owner of the Zodiarts Switch, she begins to tell Gentaro more about Kengo and how he came to have the Fourze Driver and the Astroswitches.