Webkokushibo's name derives from the japanese word for the black death. He is one of the few demons who clearly remembers their past lives as human beings, including their. Webin his human life, kokushibo’s actual name was michikatsu tsugikuni, the older twin brother of the legendary demon slayer, the inventor of breathing styles, and. 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. Webmany years before the story started, kokushibo had a confrontation with kaigaku, one of the youngest demon slayers at the time, who was overpowered and defeated. Webkokushibo (黒 (こく) 死 (し) 牟 (ぼう) , kokushibō?) is a major supporting antagonist of demon slayer: He is a demon affiliated with the twelve kizuki,. Webkokushibo’s real name was michikatsu tsugikuni, and he was the older twin brother of yoriichi tsugikuni, the creator of the breath of the sun technique. Webout of lust for power and the fear of death, michikatsu became a demon and took on the name kokushibo. Because he was also a breathing user, it took him three days to fully. Webkokushibo, a master of breathing techniques, had an exceptional style that amplified his blood demon art through moon breathing. This fusion contributed to his. Webhis appearance is distinctive, characterized by a mask resembling a traditional japanese demon with six eyes, denoting his rank. Kokushibo’s abilities as a demon include.
