NDRA-113 I'm also doing it with her mother behind her back... Yoda Sayaka

Hiroshi, who had been dating his girlfriend for half a year, visited her home. There, he met for the first time his girlfriend's new stepmother, whom her father had remarried to while on a business trip abroad. This stepmother was beautiful, kind, and hardworking. It turned out that day was her birthday, so Hiroshi joined his girlfriend and her mother at the birthday celebration dinner that evening. As it happened, the gift she had given her mom was imported women's underwear, and he ended up seeing her mother trying it on…!