Demon Slayer Season 2 : Mugen Train Arc :
In Demon Slayer season 2, Tanjiro, Nezuko, and Inosuke join forces with the Flame Hashira, Kyojuro Rengoku, to investigate a mysterious demonic presence on the Mugen Train, facing a powerful demon aboard it; later, they team up with the Sound Hashira, Tengen Uzui, to infiltrate the Yoshiwara Entertainment District, disguised as women, to search for Uzui’s missing wives and confront a high-ranking demon lurking within the district.