Yuzu, an honor student who attends a certain school in Tokyo, is a serious student with a strong sense of justice. He comes from a wealthy family and is able to study well, and plans to enter a famous university after graduating. On the other hand, classmates "Kawagoe" and "Meguro" were originally honor students, but they stumbled in their studies, and now they have become inferior students with bad behavior. One day, "Yuzu" encounters the scene where Kawagoe is shaving. "Yuzu" warns Kawagoe of his behavior and looks down on him with contempt. Angered by her attitude, Kawagoe secretly takes a picture of Yuzu excreting and uses it as a joke to threaten her. And summer vacation ... I called him to a classroom where there were no students and did his best as long as possible ....
