A father-in-law who lives with his son and his wife. Yuuri, who is kind, beautiful and hardworking, has been taking care of me on a daily basis, such as picking me up from the hospital. After learning that such a daughter-in-law was actually hiding and masturbating during housework, the father-in-law was hurting his heart, but his crotch was hot. My son who doesn't seem to be able to satisfy his devoted daughter-in-law at all in terms of night life. One day, the father-in-law, who felt pity for his daughter-in-law, committed a forbidden act...!
