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