This role-play is performed by adults. ``You like books, right? Thank you for your help today.'' A normally quiet and serious librarian. She had a secret about sex that was too dangerous. Complete control until the cock is bugged in the shadow of the bookshelf! A sadistic slut who has suddenly changed has been teased to death and developed an extreme climax! ! She is trained by a slut who has a huge gap and is teased to the point of climax! !