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 (brownish blonde in the manga) 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 along with his many markings.