NEWM-072 Sex with mother-in-law #44 I prefer my mother-in-law over my wife... Mitsuko Kajima

Mitsuko's daughter had gotten married and left home, but since both of them worked and housework was difficult, Mitsuko and her daughter decided to live together. Mitsuko has been alone for a long time and her frustration has built up and she can't stop comforting herself. One night, when Mitsuko went to her living room, her son-in-law, who was supposed to be sleeping with her daughter on the second floor, was masturbating. The two of them see this and feel awkward. When I talked to her, she said that it had been a while since she had any night time activities with her daughter. Mitsuko couldn't help but notice her son-in-law's big bulge, and she asked me if I could help her...