An hates her mother's new husband to death. One day, her mother comes home to visit her hometown, and she begins spending three days alone with her stepfather. However, the moment her mother leaves, her father, who has lost control, attacks her in her sleep, saying, "I've been after these breasts!" and rapes her in the night. She can't escape to school, and is under house arrest while being violated by his insatiable penis! Her pointy triangular breasts, which have little fat on their décolletage and are still in their growth period, drive her middle-aged father crazy... and she becomes so fascinated with sex with her stepfather that she begins to desire his insatiable penis herself! She is covered in sweat and squirts as she reaches a huge climax! "Dad... I'm coming again!"