Webkaigaku seemed to hate zenitsu and thought of him as unworthy to be taught by a former hashira, since he was always crying and was only able to master one. Webkaigaku's betrayal led to gyomei's imprisonment and jigoro kuwajima's death, fueling zenitsu's rivalry. Kaigaku became upper rank six of the twelve kizuki,. Webkaigaku has quite a unique story in demon slayer, as he’s one of the few members of the demon slayer corps to become a demon himself. He was orphaned as. Webkaigaku’s journey in demon slayer is a compelling exploration of the corrupting influence of selfishness. From his harrowing past to his ultimate downfall, he. Kaigaku, initially a demon slayer turned demon, rises to the position of upper rank six within the twelve kizuki, a group of powerful demons serving muzan kibutsuji. Affiliated with the twelve kizuki, he holds the position of upper rank six, stepping in after the demise of daki and gyutaro. Webkaigaku's necklace and bracelets are taijitu/magatama (tomoe) symbols. Before he transforms into a demon, the symbol is yellow (good, enlighted), and it turns blue (bad, darkness, depth) after he becomes one. The fractured magatama itself seems to represent his broken and unstable mentality. Webwhen it comes to the intriguing tale of how kaigaku, the former student of tanjiro kamado, became a demon, there are several key factors that contributed to his. Webmy honest opinion about kaigaku is that, he's probably dead. I feel that he was a little bit of a filler but it showed us how much did zenitsu change in the story. I wish that in zenitsu’s. 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.