Kawaki is a teenager with short, spiky black hair with a blonde underlayer, and tattoo-like black marks from his Kāma seal covering parts of his left arm, chest, and face. He typically wears a blue vest over a black sleeveless shirt, black pants, and boots, often accessorized with a red band around his waist. His rebellious style and the visible remnants of his past struggles are prominent features of his appearance.