第 9 集: Rex揭露Sena的過去與Koa Gakuen的淵源，同時Sagiri和Suika逃離實驗室。

9

Rex finally reveals Sena's past and his ties to Koa Gakuen and the real reason why he acted alone, even breaking the code of the Knight Hunters. Meanwhile, Sagiri and Suika were defeated in the battle against the Knight Hunters. Realizing that they will not be treated and will be left abandoned to die, they escape the laboratory. (Source: Prime Video)