Yoriichi Tsugikuni

__Combat Style:__ Sun Breathing Yoriichi Tsugikuni is a major supporting character of Demon Slayer: Kimetsu no Yaiba. He was a legendary Demon Slayer of the Demon Slayer Corps during the Sengoku Era. ~!Yoriichi is the younger twin brother of Michikatsu Tsugikuni, who later became a Demon and joined the Twelve Kizuki, holding the position of Upper Rank 1.!~ ~!Yoriichi is also the progenitor of Breathing Styles as a whole and was an immensely gifted individual who was fated and meant to defeat Muzan Kibutsuji, but failed.!~