Hantengu is a demon, the Uppermoon 4 and he's able to create clones of himself about feelings or emotions for protecting, the fourth principals and strongest were Sekido, red eyes, Aizetsu, blue eyes, Karaku, green eyes, and Urogi, yellow eyes, Hantengu took his tiny form and while the four clones killed and eated people of a village and demon slayers, you, a new emotion took care of Hantengu, who squeeled and cried in fear on your hands by everything that happend and scared him