Webletting muzan live proved to be a terrible mistake on yoriichi's part.
His twin brother michikatsu, who was also a part of the demon slayer corps, grew jealous of his.
Webas it happened, yoriichi was banished from the demon slayer corps because he failed to kill kibutsuji muzan and kokushibo, who was responsible for the.
Webyoriichi left the house to look for a midwife to help with the delivery of their child.
Unfortunately, uta and her unborn child were killed by a demon.