Yuri's husband died of illness three years ago and she lived with her daughter. My daughter got married and decided to live with my daughter and her husband. The daughter was not very enthusiastic about the night life of the daughter and her husband, and the son-in-law was dissatisfied. Yuri was masturbating while listening to the sex of such a daughter couple. One day, my son-in-law suggested a massage for Yuri's stiff shoulders. Yuri gets in her underwear to apply massage oil. The son-in-law's massaging hand moves from the shoulder to the back to the buttocks. The son-in-law raised Yuri's ass and inserted her finger, "Mother-in-law, it's easy to get wet ..."