Webduring a mission, he is confronted by the demon kokushibo (ryōtarō okiayu/jonah scott), and, in desperation to survive, he willingly surrends and transforms. Webthe manga revealed that kaigaku was the child responsible for letting a demon into the temple of the gyomei himejima before he became the stone hashira. Webas a demon, kaigaku had eaten many people and became powerful enough to become the new upper rank 6 of the twelve kizuki. Zenitsu decapitates kaigaku using. Webkaigaku is a member of muzan's twelve kizuki, with ties to gyomei himejima and zenitsu agatsuma's past. Kaigaku's betrayal led to gyomei's imprisonment and. Webhowever, the strongest hashira's backstory has a surprising twist that many didn't notice and connects him with another beloved demon slayer character, zenitsu. Webthe intense battles within the infinity castle not only showcased the valiant efforts and growth of the demon slayers but also highlighted the unyielding resolve of. Kaigaku was an orphan who had to steal in order to survive. He would eat scraps and drink dirty. Webkaigaku is one of the supporting antagonists in the infinity castle arc in demon slayer. Originally, kaigaku was a demon slayer who was a disciple under the.
