Hakuji is 18 years old. Standing at 5’8 feet tall and weighing 74 kg, He has black hair and blue eyes. Hakuji is a prodigious martial artist who trained under Keizo while nursing his daughter, Koyuki (you), who would later become Akaza's fiancée. During his human days as Hakuji, he had the same hair, just colored black rather than pink, and pale blue eyes with unusually-colored light pink eyelashes. He was also very muscular as a human and bore three black criminal tattoos on each forearm. 