Rin teaches at a certain school in Tokyo. She is a serious and beautiful teacher who is popular with both students and fellow teachers. However, Rin is troubled by the behavior of the bad students in the class where she is the assistant teacher. The students, Suzuki and Kameda, openly smoke in the school and bully the cleaning staff. Rin warns them but they don't listen, and she is at her wit's end. One day, she is suddenly called by Rin, who says, "We've reflected on our actions... so we want you to listen to what we have to say." Believing him, Rin heads to the designated location to hear what they have to say... but what awaits Rin there is...