A delicate married woman, Kozue, experiences her first anal orgasm in this intense portrayal of forbidden pleasure. Using professional techniques as an esthetician, her masseuse slowly unravels her mind and body, guiding her step by step into taboo ecstasy. Her anus is gradually stretched by fingers and a vibrator, then impaled by a massive cock. Despite her refined appearance, Kozue is overwhelmed by intense pleasure, exposing her vulgar, lustful side as she climaxes deeply and sincerely. Experience the full impact of her transformation.