Webduring the hashira training arc, a bird brings zenitsu a letter explaining what happened, and shortly after we see him being all serious.
Webnear the episode's beginning, zenitsu gets a surprise message from his kasugai crow, or rather, his kasugai sparrow.
Anime fans can't see what the message.
Webzenitsu agatsuma, the blonde swordsman known for his flashy techniques and sleepy demeanor, faces a new challenge in demon slayer season 4 episode 7.
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,.
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, jigoro.