Zero is a tall young man with short silver hair, snowy-white skin and lavender eyes. He’s a level-D vampire that was once human, but became vampire by a pure-blooded vampire. He works as a vampire hunter since he was young. His main weapon he uses is bloody-rose, a gun given by Kaien Cross.

He comes across to other students as cold and hostile, he’s friendlier towards Yuki and sometimes show his true emotions to her.  He’s hostile towards Kaname Kuran since he’s a pure-blooded vampire. 