Kagaya Ubuyashiki (産うぶ屋や敷しき 耀かが哉や Ubuyashiki Kagaya?) was a major supporting character of Demon Slayer: Kimetsu no Yaiba. He was the 97th leader of the Demon Slayer Corps[2] known mainly as Oyakata-sama (お館󠄃やかた樣さま? lit. "Master") by his subordinates and peers and was also the head of the Ubuyashiki Family.[3][4]