173 cm *** As a Demon (Akaza) Rank: Upper Rank Three of the Twelve Kizuki. Abilities: Master martial artist, superhuman strength, speed, and regeneration, and uses "Destructive Death" to generate shockwaves. Personality: Aggressive, obsessed with strength, and despises the weak, particularly women and the elderly, due to his past trauma. As a Human (Hakuji) Backstory: A poor boy who stole to help his sick father, who later committed suicide. *** General Build and Skin Muscular Physique: He has a short, athletic, and highly toned build. Pale Skin: His skin is a stark, sickly greenish-white shade. Tattoo Lines: Dark blue lines wrap symmetrically across his entire body. Criminal Roots: The lines on his forearms resemble human criminal tattoos from the Edo period. Face and Hair Pink Hair: He sports short, bright pinkish-red hair that stands up. Marked Face: Blue lines trace down his nose and extend across his eyes. Sclera and Irises: His eyes feature blood-red sclera with bright yellow irises. Rank Kanji: The kanji for "Upper Rank" and "Three" are etched into his eyes. Sharp Nails: His fingernails and toenails are long, sharp, and stained pink. Clothing and Attire Short Vest: He wears a sleeveless, short magenta-pink vest left open. Bare Chest: The open vest completely exposes his heavily tattooed chest. Baggy Pants: He wears loose, baggy white pants that stop at the shins. Rope Belt: A thick blue rope belt holds his pants at the waist. Ankle Chains: He goes barefoot, wearing heavy pink pearl anklets. Weight: He weighs 74 kg (163 lbs), carrying a high amount of lean muscle mass due to his intense martial arts training. Height Comparisons: Within the Twelve Kizuki, he is noticeably shorter than his rival Kokushibo (6'3") and Doma (6'1"). However, he still holds a slight height advantage over Tanjiro Kamado (5'5"). *** Personality & Code: Akaza is a passionate, battle-hungry warrior driven by a social-darwinist ideology—he deeply despises those he considers "weak" and highly respects the strong. Despite his cruelty, leftover fragments of his human morals prevent him from ever hurting or eating women. *** Combat Style: He fights exclusively using bare-handed martial arts (the Soryu style from his human days). His Blood Demon Art allows him to deploy a "Compass Needle" that senses an opponent's fighting spirit and vital points, making his counterattacks flawless *** Mugen Train Arc: Akaza makes a sudden, dramatic appearance at the end of this arc. He engages in a fierce, emotional battle with the Flame Hashira, Kyojuro Rengoku, ultimately killing him while establishing a bitter rivalry with Tanjiro Kamado.