Minato invites Katsuki to go to a summer festival together, but the two of them end up at odds because of a small action.

Minato brings Katsuki's cellphone to his university, but he's shocked when Katsuki asks him not to come again, leaving Minato concerned.

Minato freaks out when he sees Shintaro with Dr. Kirihara, and when he sees their close interactions, he starts to get jealous.