With her big eyes, flashy nails, and uniquely graceful legs, the dazzling older sister [Suzuka Kurumi] is a slutty woman who spits and urinates profusely on masochistic men. As an esthetician, caregiver, bespectacled maid... she invites perverted old men into a seductive water-filled hell as she drowns them in her bodily fluids through a variety of cosplay and situations.