Trained by the former Thunder Hashira - Jigoro Kuwajima, Zenitsu was destined for greatness and his growth as a Demon Slayer ...

Kaigaku is a member of Muzan's Twelve Kizuki ... On top of this, he voluntarily wished to become a demon. His request was ...

Demon Slayer fans who have yet to read the manga and have only seen the anime often ask "Why did Jigoro Kuwajima commit seppuku?".

Zenitsu embodies the will of Jigoro and Kaigaku is the antithesis of that will. Kaigaku becomes a demon after meeting Upper Moon One, Kokushibo. Once his master hears what Kaigaku has become ...

Breathing techniques are a Demon Slayers' secret weapon in their fight against Demons. But what if Demons could use them too?