After the events of season 1, Tanjiro Kamado and his companions embark on two major missions. First, on the “Mugen Train” arc they join the Flame Hashira Kyojuro Rengoku aboard a train where dozens of passengers have vanished and face the demon Enmu. Then they head to the Entertainment District, teaming with the Sound Hashira Tengen Uzui in the red‐light district of Yoshiwara to investigate disappearances and confront the powerful demon siblings Daki and Gyutaro.