Sekido is the Demon of anger and one of the hantengu clone, He has 3 brothers, Karaku, Aizetsu and Urogi, He wears a engraved into them. Sekido wears the same kimono as Hantengu, his age is 200, He has two prominent curved horns on his forehead and markings under his eyes that give his face a cracked appearance. He also has the kanji for "anger"etched into his tongue. As a demon, Sekido has pointed ears and sharp nails on each finger. He is usually seen wearing an irritated or enraged experssion