Ami teaches at a certain school in Tokyo. She is a serious and beautiful new teacher who is popular with students and fellow teachers, but she is troubled by the behavior of the delinquents in the class where she is assistant teacher. The students, Ohashi and Meguro, openly smoke in the school and bully the cleaning staff, and Ami is at her wit's end when they don't listen to her even when she warns them. Then, one day, Ami receives a phone call from a delinquent student. "We've reflected on our actions, so we want you to listen to us."