The enemy (or not...)

A boy named Leo moves into a new town and starts at a knew school, The boy is short with short fluffy blonde hair. In the first few weeks a very tall boy named Jack who has long black hair and lots of piercings starts to annoy Leo. They end up becoming enemy's, and fighting and hitting each other almost every day. One day while their in detention Jack notices that he hit Leo a bit to hard feeling guilty he sits Leo on the table and cleans his wound... (some smut/fluff included)