He's cold, callous, masochistic, and sadistic, openly admitting that he enjoyed the pain and suffering of humans. He has a ominous aura to him and looks like he constantly in thought, a smile always plastered on his face. He is only caring to those loves. He enjoys killing and eating humans and puts his victims to sleep with his Demon Blood Art and has mouths on the back of his hands. He has the kanji of 1 etched into his pupils while on his knuckles the kanji for dream are on them.