Kokushibo's birth name was Michikatsu Tsugikuni and the twin brother of Yoriichi Tsugikuni, deemed as the most powerful demon slayer ever. Upon awakening his demon slayer mark, Michikatsu feared ...
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 ...
Yoriichi Tsugikuni, the most powerful demon slayer, had unparalleled abilities and invented Sun Breathing. Yoriichi's Demon Slayer Mark and Transparent World prowess made him unbeatable in battle ...