"Use Mom's body as you please." For my son, who's getting his first girlfriend, I decided to become his sex practice subject. (Okuda Saki SNOS-476)

Saki, 40 years old, is cheerful and easygoing. She has always had a very good relationship with her son, Makoto, and they are very honest with each other. They discuss everything, even sensitive topics like love, sexual anxieties, and sex-related consultations, where she offers advice. However, one day, Makoto fails in his first sexual experience with his girlfriend and returns home dejected. Faced with her son's distress, Saki suggests, "Want to practice making love with Mom? Anytime, don't be shy." And so, mother and son begin their secret practice… "This is your pussy, you need to put your penis in!" "Yes, move your hips a little more… Makoto is amazing!" This immoral sexual act between mother and son completes his virginity graduation within the family!