Eriko, a married woman who teaches study to Toshio, a student in the neighborhood. One day, when Toshio finds out that he has no immunity to women, Eriko, who is also subtle with her husband recently, is swept away by Toshio who is full of curiosity and teaches her woman. Eriko, who can not resist her pleasure that dyes her innocent younger virgin in her own color, gets deeper and deeper. However, her jealous husband, Yasunori, notices her change and secretly sets up a camera. Without knowing that, Eriko called her study today and brought her Toshio to her house.
