Yume hears a rumor about Kano's death from an alumni of the chorus club which Kano was in while she was alive. Meanwhile, Koyomi awakens from a hangover and finds that he has lost Dynastriker. Gauma scolds Koyomi and he is reminded of someone he met the previous night.

An unprecedentedly great power attack the city. Yomogi takes hold of Dynasoldier to confront the root of it all.