When her mother Momoko finds out that her son, Yosuke, has finished her first experience, she is curious about her partner. I secretly hear about it from my son's best friend Yuya... Yuya, who had originally had a crush on Momoko, took the opportunity to tell her that she is a virgin and spread her feelings for her. Momoko goes to the first move by saying, "If it's about once," but she gets hooked by Yuya's sincere feelings and intense thrusts. Momoko, wet with the pleasure of having sex with a young man, can't forget the pleasure...