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. Websimply put, zenitsu’s grandfather and master, jigoro kuwajima, ended his life after one of his former apprentices became a demon. Chapter 144 of the demon. Webin this letter is a notice that zenitsu’s instructor, jigoro kuwajima, has killed himself through seppuku to atone for the acts of one of his students. Webdespite getting repeatedly hurt, zenitsu refused to let go of the box because of his promise to protect nezuko he made to tanjiro. For some reason, he can only. 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 debuted thunderclap and flash: Godlike speed to nearly decapitate daki. Demon slayer fans might owe zenitsu an apology after his heroics. Webby understanding zenitsu's role within the demon slayer universe, we can appreciate the depth and complexity of his character. This article aims to provide. Webzenitsu explains that he defended the box because tanjiro called it his most prized possession. He knew that nezuko was inside the whole time, because demons. 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 about the various.