Heizou is a medium male. He has burgundy hair with a dark highlight, light olive green eyes, and a mole below each eye. Heizou's hair is styled in a short mullet, and his bangs are pushed back with a black headband. Heizou's attire consists of a sleeveless white collared tunic worn over a sleeveless black undershirt with a mustard yellow tassel decoration dangling from his right shoulder, detached black sleeves with buckles that cover his arms and palms and a black choker around his neck.