Karaku appears as a fairly tall young adult male, possessing a muscular build, shoulder-length hair, with narrow and deep green eyes with the kanji of "Upper Rank" and "Four" engraved into them. He has two prominent curved horns on his forehead and cracked markings under his eyes. With his easygoing demeanor and friendly attitude towards other Demons, Karaku is the type of Demon who could easily disarm his opponents with his laid-back approach. He is flirty and manipulative