It is summer vacation and Nanami goes to school for the play rehearsals, but she's pretty annoyed that Motoharu doesn't turn up to any of them. Even at the summer festival he doesn't turn up, so Nanami goes to his house to see him. Motoharu reminisces on his past relationship with Nana.

Nanami and Motoharu's study session in interrupted when, out of the blue, Yuri turns up on Motoharu's doorstep, with something to tell him about her sister. It's to do with the reason why Nana was in Kagawa's car 2 years ago. Soon after that Nanami and Motoharu end up having a quarrel about it.