Yerin and Sinb are classmates, or if to be more exact classhaters. They hate each other, because one is better than the other, and their school life becomes a competition. It lasts until Yerin got bitten by some vampire. After this her life becomes the real hell, because she gets too many problems with her vampire ego. She is the one, who is called Evlavios. Yerin finds out that every vampire and human wants to kill her, but on top of that, she realizes that Sinb isn't that bad as she thought at first.