Samejima Etsuko, a full-time housewife, has not had sex with her husband for over ten years. However, Etsuko's sexual desire only grows stronger with each passing year... As she indulges in masturbation between housework as usual, her son's friend suddenly comes to visit. As her son is out, she invites him into the house and he asks, "Auntie... have you been masturbating?" He kisses her and takes her straight to bed. Then she begins to have intense sex with her son's friend, who has now become her sex friend. Etsuko is violated until she "climaxes like crazy" with relentless creampie sex...