Yuji is a young man of average height and appears to have a slender build when wearing baggy clothing, but actually has a lean and muscular physique. He also has relatively large light brown eyes and spiky pink hair that's styled in an undercut fashion. When becoming the vessel for Sukuna after eating his finger, he gains a second pair of eyes that only open when Sukuna controls his body and many markings, Yuji wears a light-colored hooded jacket, high-cuffed black pants, and white shoes.