Kou Hitsuki

Kou Hitsuki (緋月コウ Hitsuki Kou) is a pure-blooded vampire and the son of the vampire king. Shin Hitsuki is his older adoptive brother.

Appearance
Despite being a vampire, Kou doesn't look any different from human beings. He has black, fluffy hair and red eyes.

After having lost his temper at school, his ears developed pointy ends and his teeth became sharp. A black, dense fog enshrouded his body but he tried restraining himself and didn't transform into his full-fledged vampire form. When he does transform, however, his black hair additionally turns white.

Abilities
Kou is capable of summoning a scythe using his own blood. He is also capable of controlling and manipulating blood and causing it to take on different forms, such as spikes. Being a pure-blood vampire, his strength far above that of his peers as shown when he managed to decapitate several vampires in his vicinity with a single sweep of his scythe.