My pregnant wife suddenly said she was going on a three-day, two-night trip with a friend because she had entered the stable period, so I had no choice but to send her off... During that time, my mother-in-law, Rieko, was going to take care of me. Watching her unconsciously radiate a strange sexiness, I got aroused, and while we were alone, I, who had been abstaining for a long time, ended up... When Rieko found out about the situation, instead of getting angry, she started stroking my dick, asking, "Shall I do it for you?" I lost my reason because of how good it felt...!