Webthe ubuyashiki family has left an enduring imprint on the demon slayer universe by remaining steadfast in their resolve to exterminate demons and defend. Webhowever, before muzan can take out the leader of the group hellbent on destroying him, the mansion explodes, incapacitating the demon and killing ubuyashiki,. 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 best argument i can think of is that it helped to keep muzan's guard down. I 100% think ubuyashiki never would have allowed them to die with him, and never would have even. Weba shocking revelation occurs when ubuyashiki reveals that his lineage is linked to muzan’s origins millennia ago. His family has been cursed as a result of this. Webthe curse that haunts the ubuyashiki family is a hereditary condition impacting the male members across generations. The condition stems from muzan. Webin chapter 136, ubuyashiki says that because a monster like muzan came from their blood, his family line was cursed with sickness that weakened and killed every child born into it. Webwhile the anime and manga don’t explicitly state the reasons, this article explores why ubuyashiki entrusted gyomei, and only gyomei, with his crucial and. Webtwo daughters and his only son are still alive in the anime series because they weren’t present at his quarters when the explosion took place. Kiriya, kuina, and kanata.