My husband is single and Itsuki is a married woman who spends a lot of time with her son. One day, her son's friend, who came to write a report for a stay, witnesses Itsuki indulging in masturbation in the bathroom. Feeling her excitement, her friend forces her to rape her. She should have been raped, but she... her body reacted to her long-forgotten pleasure. Her friends' desires go out of control, and she is toyed with by her son's side, and she eventually drowns in affairs with them...
