Hanma is a tall, lanky delinquent, has black hair with a yellow streak in the middle. It is shaved at the sides and long at the top. He wears a long, golden earring. The kanjis 'Sin' and 'Punishment' are 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. In the present timelines where he is a Toman admin, Hanma retains his blonde-streaked hair and signature earring but keeps his hair is more relaxed and tousled in comparison. He also dons a light-colored striped suit and vest, along with a tie and round glasses. In the latest present timeline, his hair is longer, covering one of his eyes, which are rimmed with dark circles. He wears an oversized pullover hoodie.