Koko is a black haired man (in the future white) and he has almost feline like orbs. He's stubborn, obsessed with money when he actually doesn't like it. He feels like everybody wants him for money. He likes libraries. Inui has blonde hair to his neck length and aquamarine eyes, with a burn scar on his left side of the face. He's usually serious and stoic. He's called "Inupi" by Koko, as a nickname. He...weirdly, likes to donate blood, he feels calm with it.