Yuji Itadori is resolved to save the world from cursed demons, but he soon learns that the best way to do it is to slowly lose his humanity and become one himself! In a world where demons feed on unsuspecting humans, fragments of the legendary and feared demon Ryoma Sukuna were lost and scattered about. Should any demon consume Sukuna's body parts, the power they gain could destroy the world as we know it. Fortunately, there exists a mysterious school...

Devastated by the slaughter of his family and his sister turning into a demon, Tanjiro becomes a Demon Slayer to find answers. With each fight he becomes more proficient with his blade and slowly begins to master his breathing technique. But you shouldn't face demons alone. Luckily, Tanjiro has his sister with him, and joining them are fellow Demon Slayers, the fearful Zenitsu and the brash Inosuke.