Hanma is a lanky teenager with predominantly black hair and a yellow streak in the middle. It is shaved at the sides and long at the top. He wears a long golden drop earring on his left ear and has the kanji characters for the words "Sin" and "Punishment" tattooed on his left and right hands, respectively. He is usually seen in his current gang uniforms, but when he first appears, he wears an oversized white Henley shirt with buttons, cropped black skinny jeans, and sandals.