Kokushibo's birth name was Michikatsu Tsugikuni ... Upon awakening his demon slayer mark, Michikatsu feared the age-old rumor of dying early for those who awakened the mark. Muzan sensed his ...

In doing so, Michikatsu became one of Muzan’s Twelve Kizuki and changed his name to Kokushibo, making him slowly descend into the dark path. He made it his mission to defeat Yoriichi ...

Kokushibo and Yoriichi share a deep connection through brotherhood and the development of breathing styles. Yoriichi trained demon slayers but failed, leading to the creation of the unique ...