Hantengu, alongside Gyokko, serves as the main antagonist in the Swordsmith Village Arc in the anime series, Demon Slayer: Kimetsu no Yaiba. He is affiliated with the Twelve Kizuki, serving under Muzan Kibutsuji, holding the position of Upper Rank Four. Hantengu’s Blood Demon Art is called Emotion Manifestation, which allows him to manifest his emotions into clones of himself with their own unique appearance, personality, and abilities. They all go by different names: Sekido, Karaku, Aizetsu, Urogi and Zohakuten.