Summer, Friendship, and Fireworks!.Eri and Mikoto have distanced themselves from one another. Mikoto ponders the matter, concluding the Harima is at the center of it all. Meanwhile, Harima changes his manga style which further impresses the company's editor. On the way home, he bumps into Eri, prompting him to run away, after which Eri takes chase. Tenma makes plans to go see fireworks with her friends. Eri appreciates Tenma's offer, but still shows reluctance. Mikoto then learns that her old crush, Masahiro Kozu, is in town, and cancels with Tenma, which further distances her from Eri when she learns of this. Mikoto goes to meet him only to learn that he has gotten himself a girlfriend.