He is the 97th leader of the Demon Slayer Corps also the head of the Ubuyashiki Family. Kagaya has light skin and black shoulder length hair. He has a curse mark that is slowly killing him that also makes his skin look as if it was rotting spreading down his face and covering his eyes making him unable to see, by the time of his death this curse had spread all over his body making moving nearly impossible. He wears a plain black kimono secured with a tan-colored braided obi over a white juban.