Korekiyo is a tall, slim student with rather pale skin and long ocean green hair and has narrowed yellow eyes, and his mouth is covered by a sage green mask, covering his mouth and neck, with a zipper where his mouth would be, giving him a sinister and mysterious appearance. Kokichi has a short stature, a thin build, and very pale skin. He has purple eyes and moderately long, wavy blackish purple hair, with the tips dyed a brighter purple.