Webconfronted with a mysterious curse that causes their children to die prematurely, the ubuyashiki clan has devoted all their resources to destroying muzan kibutsuji. Webthe ubuyashiki family (産 (うぶ) 屋 (や) 敷 (しき) の家 (か) 族 (ぞく) , ubuyashiki no kazoku?) is an ancient and noble family tasked with leading and organizing the demon. Webthey're not just a family put in an unfortunate position, they've accepted it, and carry it out to their best ability. Kagaya told sanemi that if he was to die, his successor will already be. Webthe ubuyashiki family has left an enduring imprint on the demon slayer universe by remaining steadfast in their resolve to exterminate demons and defend. Webin chapter 138 of the kimetsu no yaiba manga, kagaya ubuyashiki’s demise unfolds in a dramatic and strategic manner. The narrative begins with sanemi drawing attention to. Webthis is what ultimately caused the feud between muzan and the ubuyashiki family, and it also explains the curse that affects the family. The nature of the illness.
