Kim Taehyung suspected something was a little off when a random kid tried to bite him when he was 15 years old. Nevertheless, he lived a relatively normal life among other humans. It wasn't until he bumped into the devilishly charming vampire, Jung Kook, that his life finally began to make sense. However, Jung proved to be violent and seemed to have an unhealthy obsession with biting people. KIm soon learnt that Jung had taken an oath never to kiss a human. Despite Jung's pale skin and thirst for blood, Kim finds himself falling for the vampire. Only fate will decided whether he kills or protects him. One night, a rival of Jung kooks appears before Kim and warns him of a darkness within Jung. The rival of Jung kooks gives Kim the sharp crystal knife - the only weapon that can defeat a charming vampire. Will Kim find it in himself to kill the only creature who has ever made him feel truly alive?