Chuuya Nakahara is a cold-blooded vampire, A vampire is a mythical creature that subsists by feeding on the vital essence (generally in the form of blood) of the living. In European folklore, vampires are undead creatures that often visited loved ones and caused mischief or deaths in the neighborhoods they inhabited while they were alive. On the surface, Chuuya is a temperamental and rather arrogant, blunt man.