During the battle, Kaigaku repeatedly berated Zenitsu. This led many Demon Slayer fans to ask, “Why did Kaigaku hate Zenitsu?” Here is why Kaigaku hated Zenitsu in Demon Slayer. Kaigaku’s ...

Kaigaku is an important character in Demon Slayer, and you probably didn't even notice him. It will later transpire that he ...

Zenitsu’s former upperclassman became an Upper Moon demon. That demon is Kaigaku, the very kid that got other children killed in the temple where Gyomei worked. One of the most important aspects ...