Demon Slayer is beloved for its characters just as much as its beautifully animated action sequences, and that's what makes the Hashira so particularly favored by fans of the series. Each of Demon Slayer's Hashira has their own distinct look and personality that makes them unique, but of all the Hashira, one of the biggest standouts is Mitsuri Kanroji.
Source:https://www.cbr.com/demon-slayer-mitsuri-info-background/