Shinya hasn't had sex with his girlfriend Yui in a long time. After many times of begging and soliciting, she finally agreed to allow him to have sex next week. Finally after a long wait, the day has come! He rushes into Yui's house and finds her seemingly sound asleep, unable to take it anymore, Shinya fucks her immediately! But when he clearly saw the face of the person he was fucking, he was shocked, that was not his girlfriend! When Yui returned, Shinya learned that it was his girlfriend's mother, Rio. Rio happened to visit his daughter's house and did not expect to be fucked by her daughter's boyfriend like that. Not only did she not get angry, but she also felt excited and happy. The two of them were always at odds, so she had not been able to satisfy her sexual pleasures for a long time. Shinya has big, strong, and very energetic potatoes that make Rio continuously reach orgasm, which her husband could not give her before. From that moment on, taking advantage of this, Rio continuously forced Shinya to have sex with her, satisfying her sexually and Shinya himself could not resist the seductive plump body of the person who could be his future mother-in-law. mine…