Webthe demon slayer season 4 finale sees kagaya sacrificing his family to kill muzan.
The cursed ubuyashiki family has kiriya, with black hair, succeeding as the 98th leader.
Webkiriya ubuyashiki decides to disband the demon slayer corps in the final chapter of the demon slayer manga.
This decision comes three months after muzan's defeat, marking.
Webthe cursed bloodline of the demon slayer corps supreme commander ubuyashiki familya thorough explanation of their family tree, backstories, and secrets!