Do No Harm (One Direction)

Marcel Hampton is a total nerd, he is on his way to medical school and a great life ahead of him. There's just one problem, he has a counterpart that is in his way. This coubterpart's name is Harry Styles, he is a devious person that lives in Marcel's body. He comes everyday at midnight and disappears at noon. Marcel and Harry are determined to get rid of one another but theres one other problem, they both like the same girl. Paris Beverly Blue, is a normal file until she meets Marcel. She loves him deeply but his dark side can cause her problems, problems she is going to have to deal with if she truly loves Marcel.