Aya is a frustrated housewife whose husband is away on a solo business assignment. Hearing that her son's best friend is also sexually pent-up, she gives in to temptation and makes a move, even though she knows she shouldn't. This lewd wife reverse rapes the resisting boy, exploiting him for his seed with a creampie. After that, swept away by pleasure, they fall into an adulterous relationship, coupling their bodies almost every day... Forgetting about her son and husband, she immerses herself in their affair sex again today.