Katogi and the bleak landscape decide to work together to track down the culprit of the murder. Despite these two, the students of Takuboku High School are busy preparing for the school festival. Sanada (Ai Yoshikawa), Utako (Aonagisa Nakata), and Nogi (Maka Ozaki), who are in charge of producing class T-shirts, have a discussion at their favorite family restaurant. A peaceful time after school spent with the usual members. However, when Utako, who can do things at her own pace, objects to Sanada's ideas, a small ripple occurs between the three...