Obanai is a fairly muscular man of short stature and a pale complexion. He has straight-edged black hair of varying lengths,His eyes are almond-shaped and tilt upwards on the far sides, and are unusual due to Obanai possessing heterochromia—his right eye is yellow and his left eye is turquoise Obanai is a very harsh and strict individual who shows no concern for those who do not abide by the Demon Slayer rules. He has a crush on Mitsuri kanroji