Yuri's husband died of illness three years ago and she lives with her daughter. Her daughter got married and started living with her daughter and her husband. Her daughter was not very keen on her daughter and her husband's activities at night, and her son-in-law was dissatisfied. Yuri was masturbating while listening to her daughter and her husband having sex. One day, her son-in-law suggested that Yuri massage her stiff shoulders. Yuri puts on her underwear to apply her massage oil. Her son-in-law's massaging hands move from her shoulders to her back and buttocks. Her son-in-law raised Yuri's ass and inserted his finger. ``Your mother-in-law gets wet easily...''
