Aya, my mother-in-law, decided to stay for a while to support my wife who is close to the due date. Thanks to her, my wife's dissatisfaction is being resolved, but I, who had been issued a masturbation ban, is approaching the limit with her glamorous body and her unconscious sex appeal. When she tells Aya, who has noticed it, about her up to now, she can't stand it and shows her crotch that has become stiff. Then she said, "If you do it by hand..." Aya kindly accepted me...