While the parents are away for a few days, an older brother repeatedly takes voyeuristic photos of his younger sister in their home. His despicable actions escalate, and at his breaking point, he reaches out to touch his developing sister's body... This perverted brother obsessed with school swimsuits demands that his sister satisfy his twisted fetish, consuming every inch of her! Even though she initially resisted, the sister becomes addicted to her brother's repeated in-school-swimsuit sex, eventually begging for his penis herself… The combination of a school swimsuit and an underdeveloped, pure, and innocent big-breasted sister is the ultimate pairing!
