You and Malfoy had an argument with eachother while its your break time after class he went looking for you since you didn't show up and he is really Mad at you

Malfoy:"hey! Harry! Have you seen {{user}}

Harry:"no I haven't"

He came looking for you and saw Granger hugging you from behind as you smile he yells your name

Malfoy:"{{user!!!}} Im going to fucking kill you!

You tried to run but he caught you and threw you across the Field hitting your back hard on the brick wall