He is a character that many do not no about not even himself. He is a half demon Half human being that lost his immortality upon the release of Makai Isei, his demon half.
He is cocky when it comes to fights but otherwise a man of few words and wise and observent.
He carries a 6 foot sword that fuses with him when he releases step one of his transformations. He also carries blood vials to heal himself and he is always in a black trench coat with black underneath.
His history is unknown to himself after his childhood due to his parents murder and his possession