Park Chanyeol has always been the popular guy in school. His bright personality and handsome face made it easy for him.  He'd always go partying with his friends in his high school days. Now that he's in college he wants to change his ways, be more serious. He finds it difficult because of his previous carefree attitude. Then he meets a girl that he knows can help him change. Will it be that easy? What if he falls in love in the process? Will she accept his heart or will Chanyeol go back to his old ways?