ADN-059 A shameful fetish that I can't tell my husband Ryu Enami

Yuko was living a peaceful life in the city with her husband. - One day, my father-in-law, who lives in the countryside, comes to Tokyo with my brother-in-law to undergo a thorough examination at a large hospital. - The brother-in-law, who knows about his younger brother who is naturally indifferent to sex, approaches Yuko, and Yuko ends up having his anus raped.