Every shonen anime has that one side character that provides comedic relief, yet remains pivotal to the story. In Demon Slayer's case, Zenitsu Agatsuma is that character, a lovable crybaby who fears ...

This article contains spoilers for the Demon Slayer manga. The first movie of the Demon Slayer: Infinity Castle Arc trilogy is hitting theaters soon, and fans are expecting to see Zenitsu Agatsuma and ...