Aya is a frustrated housewife whose husband is away on a business trip. When she hears that her son's best friend is also pent up, she is tempted and makes a move, even though she knows it's wrong. The lustful wife reverse rapes her son's best friend, who refuses, and milks him for his sperm. After that, she is swept away by pleasure and falls into an affair, and the two of them have sex almost every day... She forgets about her son and husband and is absorbed in extramarital sex again today.