Josuke is a young, physically fit man of above-average height. Josuke has a diastema between his upper incisors and a star-shaped birthmark on his left shoulder. He has two sets of irises, four testicles, and two tongues, all joined as one, differing in texture and color.
He wears a tasseled "Dixie cup" sailor cap and a sailor suit cropped above the navel with a wide neckline that exposes his birthmark, a neckerchief fitted pants with a belt, and a pair of high-top athletic shoes