One day, Yuji is invited to his boss's house, but he has no experience with women and is so nervous that he is unable to interact well with the married woman Yurie. Yurie teases him with her adult sex appeal. That night, he stays at the Matsushima house, but Yuji is unable to sleep because he is in agony. Then, Yurie, who was not satisfied with her relationship with her husband, comes to visit him in the middle of the night. Yuji pretends to be asleep in a hurry, but Yurie gropes his body as if to tease him, and he can't hold back and continues...