When Hana was a student, her parents abandoned her and she was on the verge of turning to delinquency, but her teacher at the time, Kenji, stopped her and supported her kindly. Now, Hana and Kenji's son are married and he is Hana's stepfather. However, since her school days, Hana has always thought of Kenji as a man of the opposite sex. And even now, those feelings have not disappeared, and Hana, fed up with her selfish husband, lies to her and comes to her stepfather. Showing off her obscenely swollen breasts, she seeks intercourse with her beloved stepfather...