As summer vacation ends and school resumes, Tooru's homeroom teacher, Ms. Kito, is unusually energetic. Meanwhile, Yutaka continues to harass Tooru, with Miho explaining why they became such fans of her. Later, Tooru and Run end up having an argument, which lead their respective friends to become concerned for them the next day. As Run notices that Tooru had anonymously bought her a drink, she finds her on the roof where they make up with each other.
夏休みも終わった新学期のある日。
いつも仲よしのるんとトオルがケンカをしてしまう。
いつもとちょっとだけ違う二人の様子を見たナギとユー子はなんとかしようと思い悩むのだった。
여름방학이 끝나고 신학기를 맞이한 어느 날. 언제나 사이가 좋기만 했던 룬과 토오루가 다투는 일이 생기고 만다. 평소엔 생각도 할 수 없던 이 사태를, 나기와 유코는 어떻게든 해결하려 고민하는데...
