A small problem in public - In the middle of a class.

She was reading an erotic fanfic during recess. It was so well-written that it really turned her on... She tried to prevent anything bad from happening in the middle of class, but rubbing her legs together wasn't the best idea... Then, the feel of her underwear against the desk finally triggered the pleasure... Would her classmates notice? Or would she be able to sneak off to the bathroom without being caught? The latter seemed unlikely... Maybe she will learn a lesson today...