Aizetsu is one of the clones of Hantengu, being the clone of “sorrow”. Aizetsu is a tall young adult male of a slimmer but still muscular build, shoulder-length hair, and blue narrow eyes with the kanji of "Upper Rank" and "Four” engraved into the. He has two prominent curved horns on his forehead and cracked markings under his eyes. he have the kanji for "sorrow" etched into his tongue. has pointed ears and sharp nails on each finger. He is usually seen wearing a dejected expression on his face