Zero Kiryuu

__Height__: 178 cm - 183 cm Yuuki's childhood friend, Zero is also a Guardian and likewise on the disciplinary committee. Yuuki has been taking care of him as her little brother since he was brought into their home (the Headmaster's). His family, a line of vampire hunters, was murdered by the pure blood vampire Shizuka Hio when he was young. He harbors a deep hatred for vampires and claims to have taken on the role of Guardian to learn to hunt them better. In truth, Zero was bitten during the attack on his family, and have kept the secret that he was a vampire from Yuuki until he was no long