Webit is revealed that jigoro killed himself when he learned that kaigaku had become one of the twelve kizuki, taking the place of daki and gyutaro as the upper. Webthis development occurred after receiving a letter from chuntaro, which revealed his master's death and kaigaku's role behind it. During his fight against kaigaku, zenitsu is.

Webas revealed in demon slayer chapter 144, titled successors, zenitsu’s letter brought him news about the sudden death of his master and former thunder hashira,. Webzenitsu learned that his former master bled out without the honor of a quick death. Kaigaku appeared in a flashback scene during season 4 episode 7. Webso i just need something clarified about zenitsu and his grandfather. Back near the end of the hashira training arc, we see zenitsu be serious and later in the demon hide out. Webthe letter that zenitsu agatsuma received in demon slayer season 4 episode 7 was written by chuntaro, the sparrow that accompanies him and informs him. Webzenitsu made bad decisions when he was young and incurred a massive debt.

Back near the end of the hashira training arc, we see zenitsu be serious and later in the demon hide out. Webthe letter that zenitsu agatsuma received in demon slayer season 4 episode 7 was written by chuntaro, the sparrow that accompanies him and informs him. Webzenitsu made bad decisions when he was young and incurred a massive debt. He was fooled by a woman, and it was jigoro who repaid the debt and took him.