Minori, a female student, is a student whose only merit is her earnestness. One day, Minori, who came alone to practice club activities on the rooftop, witnessed Meguro, a student who failed to commit delinquency, and warned him. Her homeroom teacher, Takimoto, also appears and reprimands Minori, but Meguro builds the worst collusion relationship by having her classmate's female student tampered with and offering it to Takimoto in return for improving her grades. . Then, the two of them set their sights on Minori, called her to talk about going on to higher education, and laid her body down...
