Yuu, a mother who is enthusiastic about education, was even more strict with her son, who was about to take the exam. But one day, an adult video is found in her son's room. "I don't want you to see such vulgar things!" Yuu yells, but her son confronts him, saying that he is not her mother's tool. Not only that, her son is sexually curious about Yuu's ripe body and pounces on Yuu to take the stress out of her bondage! Her mother, overwhelmed by her unexpected rebellion, has her forbidden relationship with her son... And her former master-servant relationship is reversed by her son's sexual counterattack without end.
