Despite being married, Reiko leads a troubled life with little sexual interaction with her husband. In contrast, her stepson Shinji is highly sex-driven, and every time she enters his room, the masculine scent she feels drives her wild... One day, after witnessing him masturbate, Reiko couldn't resist the boldly erect penis in front of her and obediently stroked it as he demanded. However, the insatiable Shinji couldn't be satisfied with just one release, and even after ejaculating, he proudly displayed his still-erect penis...
