Soojung's an art major who listens to music only exclusively released in the twentieth century.   And Sehun's just one of Jongin's douchebag friends who loves making fun of art. 

When Sehun's best friend gets his heart broken by the infamous heartbreaker Krystal Jung, he formulates a plan of revenge; break her heart. But when Sehun realises it isn't that easy catching her heart and even harder breaking it, he finds himself caught in a vicious game. A game between a player and a heartbreaker.  

It's Sehun's birthday today but he's in Japan and Krystal can't celebrate it with him.      

When Krystal is walking down the aisle towards someone who isn't him, Chen thinks about when he was and when they were both together.

Despite Sehun loving Krystal in every single way, it's just not quite enough for her to stay.

Sehun first started out as an outcast. Shunned, bullied and hated generally by his peers. He was punched, kicked and tormented just for the amusement of his peers. But then Krystal Jung came alone and did the most stupid thing possible. She fell for Sehun and struck a deal; she would go out with him so Sehun's popularity would soar and finally the bullies would stop bullying him. But what wasn't part of the deal was the fact he would transform into an entirely different person and