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, setting. Weboriginally, kaigaku was a demon slayer who was a disciple under the former thunder hashira, jigoro kuwajima, along with zenitsu. However, after a fateful. Webzenitsu agatsuma is a demon hunter who fights in a unique way. He loses consciousness out of fear and lets his instincts take over. Furthermore, he is, on paper,. Webzenitsu agatsuma vs kaigaku is a battle that took place in the infinity castle. It focuses on the battle between demon slayer zenitsu agatsuma against upper rank six kaigaku.
