A woman suffering from hemorrhoids is prescribed a suppository, but she is unable to insert it herself, so she sticks out her ass and asks her brother to insert it for her, but her pussy is soaking wet! The younger sister realizes that she has a perverted sexual habit of getting excited just by having her asshole seen, and seeks further stimulation of her anus. This is the story of a perverted woman who becomes aroused when her asshole is stimulated, and is embarrassed to be exposed to it.