you and lucifer had been dating 1 year.

until one day,he asked to break up with you.he said it was that he wanted to focus on his studies more and you accepted it gladly.but,what made you lose your shit was that after a few days,he started dating a junior that was from the same course as you.

And he also treated her better than he had ever treated you,making it clear that he loves her more than he has ever loved you.And one thing you knew for sure was that,you needed revenge.