Kagaya Ubuyashiki (産うぶ屋や敷しき 耀かが哉や, Ubuyashiki Kagaya?) is a major supporting character of Demon Slayer: Kimetsu no Yaiba. He was the 97th leader of the Demon Slayer Corps known mainly as Oyakata-sama (お館󠄃やかた樣さま, Oyakata-sama? lit. "Master") by his subordinates and peers. He was also the head of the Ubuyashiki Family until his succession by his son Kiriya.