Kokushibo, Kimetsu no Yaiba Wiki

Kokushibo (黒 (こく) 死 (し) 牟 (ぼう) , Kokushibō?) is a major supporting antagonist of Demon Slayer: Kimetsu no Yaiba. He is a demon affiliated with the Twelve Kizuki, holding the highest position, Upper Rank One (上 (じょう) 弦 (げん) の壱 (いち) , Jōgen no Ichi?). During the Sengoku Era nearly five centuries ago, Kokushibo was a human by the name of Michikatsu Tsugikuni (継 (つぎ) 国 (くに) 巌 (みち) 勝 (かつ) , Tsugikuni Michikatsu?), a former Demon Slayer, and the older twin brother of Yoriichi Tsugikuni, the strongest

Kimetsu no Yaiba Wiki Kimetsu no Yaiba+BreezeWiki

Kimetsu no Yaiba Wiki Kimetsu no Yaiba+BreezeWiki

Kokushibo, Kimetsu no Yaiba Wiki

Kimetsu no Yaiba Season 1, Kimetsu no Yaiba Wiki

Kokushibo/Relationships, Kimetsu no Yaiba Wiki

Kokushibou, Wiki

Kimetsu no Yaiba Novelization 1, Kimetsu no Yaiba Wiki

Chapter 177, Kimetsu no Yaiba Wiki

Muichiro Tokito, Kimetsu no Yaiba Wiki

Kokushibo, Villains Wiki

static.wikia.nocookie.net/kimetsu-no-yaiba/images/

Blu-ray & DVD: Volume 10, Kimetsu no Yaiba Wiki

Why Doma is labeled as the worst demon in Demon Slayer

Blu-ray & DVD: Kimetsu no Utage, Kimetsu no Yaiba Wiki

Blu-ray & DVD: Swordsmith Village Arc - Volume 6