"Demon Slayer: Kimetsu no Yaiba" follows the story of Tanjiro Kamado, a kind-hearted boy living in Taisho-era Japan. After his family is slaughtered by demons, and his sister Nezuko is turned into a demon, Tanjiro vows to avenge his family and find a cure for his sister. To achieve this, he joins the Demon Slayer Corps, an organization dedicated to eradicating demons and protecting humanity. Throughout his journey, Tanjiro encounters various allies, including fellow Demon Slayers Zenitsu Agatsuma and Inosuke Hashibira, and faces increasingly powerful demons. The story ultimately culminates in a final confrontation with Muzan Kibutsuji, the progenitor of all demons.