What’s that manhwa called ? It’s straight and it was in a hs setting, the fl is a bull...

What’s that manhwa called ? It’s straight and it was in a hs setting, the fl is a bully basically and has a crush on this guy and they’re like friends but he caught her bullying someone again, so he cuts off things w her and years passed by she changed and now he’s dating someone?? But then she gets intruders at her house and dies and went back to the past