The Bully I Love To Frustrate

Dahlia Lavender has sworn to make life hell for the new boy in school. Just because he does the same for her.
She hated him to her back bone and whatever he did to her she'd want to do it times two back.
He was annoying, she was ..... Well, she was Dahlia. The most frustrating human to walk her school's floors even her cousin could testify to that.