JAV Tokyo

Koichi, a son-in-law, lives with his wife and her parents. His daughter and her husband are not blessed with children, and his father-in-law interferes, saying, "How are you doing with procreation? He answers, "I don't have the libido.... Koichi answers that he has no desire for sex, but the real reason is that he is in love with his mother-in-law, Yumi's big breasts! Koichi's desire for Yumi reaches its limit, and he attacks her bare, big tits while she is taking a bath! Koichi's courtship escalates as his rational mind is blown away, and Yuumi, who has had enough of his ripe body, becomes addicted to domestic adultery....