Monster Strike: Rain of Memories

Synopsis

One year before Ren's arrival, Akira, driven by a desire for vengeance over his sister's MS battle injuries, relocates to Kaminohara. Despite his typically reserved demeanor, Akira displays a compassionate side when he guides a lost Haruma. Witnessing Akira's intense combat style, where he anticipates opponents' moves, Haruma suggests recruiting him to his team, which includes Aoi and Minami. Though initially hesitant, Aoi and Minami place their trust in Haruma's judgment, especially since he has held open a spot for the ideal candidate.