The story begins when Tanjiro Kamado, a boy whose family is killed by a demon, joins the Demon Slayer Corps to turn his younger sister Nezuko back into a human after she is transformed into a demon. In April 2019, the television anime series Demon Slayer: Kimetsu no Yaiba first premiered with the Tanjiro Kamado, Unwavering Resolve Arc, followed by the release of the feature film Mugen Train in October 2020, and the television series Mugen Train Arc and Entertainment District Arc from October 2021, and the Swordsmith Village Arc from April 2023.