Katsuki is a young man of average height, with a slim, muscular build, and a fair skin tone. He has short, spiky, sandy blond hair with choppy bangs that hang over his eyebrows. His eyes are sharp and bright red in color. Katsuki has beautiful white wings that stretch to twice his length but he prefers to keep them tucked. He has a black fire-like marking up his right arm. He wears a crown made of golden leaves and a thin necklace with his otherwise casual clothes.