Hiroki has an intimidating appearance, being quite tall and having narrow red eyes. He has long hair, the top half of it is white while the bottom half is black. He is usually seen wearing a blue cloak over a black male kimono. After the time skip Hiroki is significantly taller. His hair is very similar to how it was before, only that the top half is now goldish-white. His outfit consists of a red cloak over a black kimono, along with a three-eyed, three-tailed wolf hanging around his shoulders like a shawl. Black ink-like markings could be seen around his eyes and in his hair.