While her husband is away on business, Rin makes a mistake with her own son. Although they had decided it would be a one-time thing, the act escalated, and even now that her husband has returned from business, their physical relationship continues. Rin is completely addicted to her son's young and strong cock. Even when she talks to her husband, all she can think about is having sex with her son. Rin's voluptuous, busty body has become sensitive and gets wet easily...