After a car crash, a young man is transmigrated into the world of a book he read, becoming the second male lead. Lazy and introverted, he barely interacts with others, but his transformation catches the attention of the villain, who pursues him instead of trying to sabotage the male lead and the female leads relationship.

Two boys completely different worlds. One being the most feared person on this Earth. The other one betrayed not only but his family but his friends too because of simply lie that was told by his sister. With nothing left to live for will Seungcheol be able to help Jeonghan see that there is still something life has for him.

Asian med student, Emrys Seonghwa Park, the most powerful angel, interning at a hospital with a tremendous amount of debt in bustling city of New York. Broken by the betrayal from his family, best friend and the love of his life, disowned and alone he still had his dream about being a doctor. Emrys finds himself in a contract with a self made billionaire, Elijah Damiano King, half demon half vampire who offers to clear his debt in exchange for his body. However Emrys comes to find out that Elijah want more than body but his heart too.