rena serves as a disciplinary committee member and spends her days cleanly and correctly with her boyfriend, Meguro, who is also a member. one day, she warned a student from the same school, Kawagoe, about his misconduct. kawagoe was a problem child who took pictures of female students during class and caused violent incidents in the classroom. kawagoe calls and tells her, "if you come to the place i'm going to tell you now, i'll listen to you." rena and meguro go to the designated place, feeling suspicious. but that place was a hellish place where kawagoe hung out with his delinquent friends and committed evil deeds...