Weblearn about kokushibo's dark past, personality, abilities, and relationships in this comprehensive article. Find out how he became a demon, why he hates his. Webkokushibo, the upper moon one demon, became a demon out of jealousy and fear of his brother, yoriichi tsugikuni, a legendary demon slayer. He abandoned his human. Webkokushibo is the secondary antagonist of the manga and anime series demon slayer: He is a former samurai and the twin brother of yoriichi tsugikuni, the. Webkokushibo is the upper moon one and the most powerful demon in demon slayer. His human name was michikatsu tsugikuni, and he was the twin brother of. Weblearn about kokushibo, the upper rank 1 demon and the brother of yoriichi, the creator of sun breathing. Discover his human and demon life, his relationship with yoriichi, and his. He is the elder brother of yoriichi tsugikuni, the. Weblearn about kokushibo, the upper rank one of the twelve kizuki and the main antagonist of the manga series kimetsu no yaiba. Discover his human and demon life, his. Webkokushibo is the upper moon one demon and the ancestor of muichiro tokito. His human name was michikatsu tsugikuni, and he was the twin brother of.
