第 5 集: 水野意外後三年級緊張感升溫，領導權秘密更迭
2012年2月7日 播出
After Mizuno's tragic accident, the tension in class 3 escalates, and Akazawa is chosen as the new female class officer without Kouichi's knowledge. His classmates have been discussing something behind his back, but nobody will tell him why. Takabayashi doesn't agree with the methods taken by the class, so he offers to answer Kouichi's questions, but then... (Source: Crunchyroll)