JYMA-093 Witnessed in the act of adultery, the masochistic beautiful mature woman with big breasts becomes a private tutor and teacher, Reiko Kobayakawa, who becomes a sex toy for the scum of her parents. - Kobayakawa Reiko

Reiko is a married private tutor who taught at a cram school before getting married. She quit her job after getting married, but now she's back to tutoring to make ends meet. While her husband is a hard worker, their sex life is lackluster and sexually frustrating. One day, Reiko is shocked when one of her students shows her his smartphone, which shows him a video of him having an affair. From then on, she begins to endure a barrage of sexual harassment, not only against her son, but also against her friend...