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