In the dark streets of Seoul lurks the unchanging despair . . . . In the dark streets of Seoul lurks the creatures possessing human features and inhuman strength . . . .

Kim Wonsik, also known as Ravi. Having this kind of life he does not deserve, cursed with two personalities, the good and evil, it wasn't really easy. Well, if it weren't for his great grandfather, all of this things would have never happened to him. In order not to harm people with his evil personality, he would stay away from people and be lonely and alone.   What if one day, his life suddenly changes? And that change is caused by a girl? The girl that'll be paired to her in a