Between quiet bookshelves in people watching public sex, she hikes her skirt and leans against the stacks. Fingers slip under cotton panties, rubbing swollen lips while whispering “Shh… people watching public sex”. The danger makes her wetter; she bites back screams of “people watching public sex” as she comes standing up, juices running down her thighs in the silent thrill of secret “people watching public sex”.