As her sex life with her husband dwindles and her days of frustration continue, young wife Minami begins living with her father-in-law, who is at a loss after a middle-aged divorce. Her father-in-law, who has a strong sexual desire, sees Minami as a woman and they end up having a relationship in the house when her husband is away. Sex with her father-in-law, who has incredible technique and a magnificent penis, captivates the sexually frustrated Minami... His strong sexual desire, which her husband does not have, stirs up Minami's vagina and brings her to climax many times. Their relationship was supposed to end when her husband returned from a business trip, but...