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.

Liana and Alexa (Barbie and Teresa) are best friends who share everything, including their love of singing. Upon meeting a girl inside a mirror, the duo embark on a journey that will put their friendship to the ultimate test.