ADN-059 A shameful fetish I can’t tell my husband about Ryu Ebawa

Yuko was living a peaceful city life with her husband. One day, her father-in-law, who lives in her country, comes to Tokyo with her brother-in-law to undergo a detailed examination at a large hospital. Her brother-in-law, who knows her brother, who is indifferent to her sex, approaches her Yuko, and her Yuko is fucked anal.