Kimetsu no Yaiba: Yuukaku-hen
※ NOTE: Double-length first episode & extended length final episode
After his family is viciously murdered, a kind-hearted boy named Tanjiro Kamado resolves to become a Demon Slayer in hopes of turning his younger sister Nezuko back into a human.
Together with his comrades, Zenitsu and Inosuke, along with one of the top-ranking members of the Demon Slayer Corps, Tengen Uzui, Tanjiro embarks on a mission within the Entertainment District, where they encounter the formidable, high-ranking demons, Daki and Gyutaro.
[Source: Aniplex of America]