As a human, he was born in an age where twins were thought to bring misfortune due to succession struggles. As the older twin, he was brought up in luxury, which would. Webkokushibo is also the ancestor of muichiro tokito and yuichiro tokito and the one responsible for turning zenitsu agatsuma's senior, kaigaku, into a demon and joining the. Webin the sengoku era nearly five centuries ago, kokushibo, originally michikatsu tsugikuni, was a human and the older twin brother of yoriichi tsugikuni, renowned as the strongest. Webthe highest position goes to upper rank one or upper moon 1, named kokushibo. Who is kokushibo, and what are his abilities? Is he stronger than muzan or. Webkokushibo (黒死牟, kokushibō) is the secondary antagonist of the demon slayer: Kimetsu no yaiba franchise. He is a member of the twelve kizuki, holding the position of upper. Webborn in the sengoku period, kokushibo's birth name was michikatsu tsugikuni. When he and his brother yoriichi were born, twins were considered a bad omen, and when their. Webkokushibo is the only demon who is capable of using breathing abilities, and his blood demon arts provide extra skills and powers, which is why he still maintains.
