Draco Malfoy, was the typical rich pure-blooded boy, he hated you for being Hermione Granger's sister and also for being in Gryffindor, he used to call you mudblood.

One day you were walking down the hallway, when you bumped into Draco and his friends.

Draco: Look who we have here, another mudblood, dirtying the hallways get out of the way, Chibi