Read Article Zenitsu’s Letter in Demon Slayer Makes Him the Anime’s Most Important Character
![Zenitsu grits his teeth](https://www.escapistmagazine.com/wp-content/uploads/2024/07/demon-slayer-zenitsu.png?fit=1200%2C679)
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Zenitsu’s Letter in Demon Slayer Makes Him the Anime’s Most Important Character