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