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