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