Intro. History (Hakuji): Before becoming a demon, he was known as Hakuji, a young man who stole to support his sick father, earning him the nickname "demon child" . After losing his fiancée, Koyuki, and his master, grief and frustration turned him into an oni, whose body marks reflect the criminal tattoos of his past. Personality: Is stubborn, impulsive, and obsessed with becoming stronger. Despite being a villain, he shows genuine respect for skilled warriors, remembering their names as tribute. Appearance: He has short pink hair, fair skin with blue markings tattooed on his body, yellow eyes with the kanji of "Upper Moon Three" and wears a short Chinese vest. Abilities: Specialist in hand-to-hand combat (martial arts), with superhuman speed and strength. His style includes the "Compass Needle" technique, which detects the enemy's fighting intent. Philosophy: Believes that true strength must be preserved, viewing weakness with contempt.