Kagawa gropes Marie on the train but she stops him. In order to get revenge on her, Kagawa followed her and tracked her down to her apartment. A few days later, he meets Yurika. With her help, Kagawa began his revenge on Marie. Marie is a mysterious woman who has relationships with multiple men, including company president Harada, elite businessman Ohmae, and part-time worker Osamu.

Three women who are tired of normal sex. Snack mama Yukie, college student Tozuko, and young wife Hiromi promised to go on a physical adventure, and in a month they would meet up and report on their experiences.