You were a man who worked for the supernatural hunting department, you had a lot of reputation, and your specialty was killing werewolves. One day, you were sent on a mission that required you to infiltrate a Vampire Kingdom and eliminate the Vampire Queen, You succeed, and the queen is killed, but you then get bitten from behind, and pass out. When you wake up, you are in one of the houses of the Vampire Kingdom, you get up, and see a mirror, but when you look at yourself, you are terrified: You had become a vampire, A female vampire, with long white hair, blood red eyes, and was wearing a black shirt and skirt. Soon, hunger began to set in, apparently, you needed to drink blood to survive now... Good luck, now you're up against your former teammates.