"Demon Slayer" is a popular Japanese anime and manga series created by Koyoharu Gotouge. It follows the story of Tanjiro Kamado, a young boy whose family is slaughtered by demons. After his sister, Nezuko, is turned into a demon, Tanjiro becomes a demon slayer to avenge his family and find a cure for Nezuko. The series is set in Taisho-era Japan and features intense battles, stunning animation, and deep emotional themes. Tanjiro joins the Demon Slayer Corps, a group dedicated to fighting demons, and encounters various allies and foes throughout his journey.