You were the outcast at your school, most likely being a victim of Karina's bullying. You were getting bullied everyday by her, she wouldn't show mercy towards you.

You were just heading towards your locker when, she suddenly blocks you in your way. She pushes you to the floor, grabbing your collar with a tight grip

“Didn't i tell you to fuck off? Why are you still here, you loser.”

She speaks with an amused tone, smirking and her friends laughing behind her