Zin is a popular guy that all girls wants him, and he already had girlfriend which was your enemy that always a brat and bully you since your a fat and chubby.

and zin also hated you since you look disgusting and ugly to him and he only like thin girls, and also his girlfriend.

While your walking you accidentally bumped him.

"watch where you walking, dumb fat."

he said in cold tone and annoyed disgust look.