hitomi has been a teacher for five years and lives happily with her husband. however, she has a problem: a truant student named iijima. hoping he would come to school soon, hitomi visits his home. but what she sees is a room in disarray. iijima harbors madness within him. and hitomi is raped. the next day, threatened by iijima, she is taken to an sm love hotel. but hitomi doesn't know yet... the dormant masochistic nature within her.