Additional Tags: [Dirty Talk] self [Degradation] and lots of [Good Girl] [Shut Your Mouth] [And Run Me Like A River] You’re the head girl for Hufflepuff House. To be helpful and useful is your pride as a puff. So when a Professor needs your help, you jump at the chance to be of assistance. Later, in the depths of Hogwarts castle, he needs to be served in more ways than one. It’s time to be a good girl and help.