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. Webthe condition ste­ms from muzan kibutsuji, the originator of demons. It e­merged from muzan's blood ties to the ubuyashiki clan, bringing about a genetic.

Webthe hatred between muzan and ubuyashiki family runs deep, and they want to eliminate each other. However, kagaya reveals that muzan is a blood relative of the. Webthe condition ste­ms from muzan kibutsuji, the originator of demons. It e­merged from muzan's blood ties to the ubuyashiki clan, bringing about a genetic anomaly handed. Webubuyashiki, alongside his wife, and two of his daughters, were dead by the end of the episode. However, this was a move that was initiated by ubuyashiki himself. Webthe illness on kagaya ubuyashiki, the leader of the hashiras and head of the demon slayer corps, is due to a family curse linked to muzan kibutsuji being born in their.

Webubuyashiki, alongside his wife, and two of his daughters, were dead by the end of the episode. However, this was a move that was initiated by ubuyashiki himself. Webthe illness on kagaya ubuyashiki, the leader of the hashiras and head of the demon slayer corps, is due to a family curse linked to muzan kibutsuji being born in their. Webthe ubuyashiki family founded the demon slayer corps one thousand years ago due to a mysterious curse on their family, leading to young children dying. Webhowever, before muzan can take out the leader of the group hellbent on destroying him, the mansion explodes, incapacitating the demon and killing ubuyashiki,.