"Happily ever after. Together forever. I love you."  

The romance you two shared was brief. The pain that you dealt with alone lasted eternity.

A murderer, a monster, a sinister devil. That's what he is. A strong and sweet and kind outer, a sinister and monster-like devil inner. Your bestfriend is exactly that. Jung Daehyun is exactly that. But you didn't know that. You have fallen into Jung Daehyun's trap. A powerful monster's trap.

A quiet, nerdy girl accidently bumps into the hottest, meanest guy in school while holding her lunch and spills it on him. What'll happen to her? "Don't judge a book by its cover because you might end up not wanting to put it down."