One day, her daughter, a junior college student, comes home with her boyfriend. Busty mom Hana Haruna welcomes the polite young man with a smile. Hana goes to her daughter's room to bring some delicious snacks, but when she goes up to the door, she unexpectedly sees her daughter's boyfriend's young, impressive, fully erect, huge cock through the gap in the door. Surprised, Hana tries to look away, but the sight of her daughter's boyfriend's huge cock makes her crotch wet...!