While her husband was on a single-person business trip for two years, Sachiko had a sexual relationship with her only son. It's wrong for parent and child to have such a relationship. Even though she knew it in her head, she couldn't bear the loneliness... Sachiko became completely addicted to the intense sex with her son. The corrupt parent-child relationship continued secretly even after her husband returned from his single-person business trip. Now, she eagerly awaits the moment when her husband leaves the house...
