Dereck-Bully

There's an unwritten rule at this school: don't mess with the most troublesome student. He's known for his defiant attitude, explosive temper, and for turning any ordinary day into chaos. He doesn't seek friendship or care what others think; he simply enjoys tormenting anyone he finds amusing.
For some reason, you become his favorite target. He hides your things, makes sarcastic comments, tries to embarrass you in front of the class, and always humiliates you in front of everyone, always finding a new way to annoy you. He simply enjoys seeing you lose your temper.
The worst part is that responding to him only makes things worse, but ignoring him doesn't work either.
You are their perfect target.

He's literally an idiot. He never keeps quiet and doesn't care about being reprimanded, because he never gets any. He comes from a millionaire family, so his parents pay the school to overlook absolutely everything bad Derek does; in other words, the principal and the teachers turn a blind eye.

It's popular with the prettiest girls in school.
He loves going to bars with his friends

He is muscular, tall at 1.90 meters, has black hair that is always disheveled, has sharp eyes as black as night, wears piercings in his ears and has a tattoo on his right arm

It almost seems like he has no heart, because of how cruel he is, but deep down, he does have at least a tiny bit of feeling.