The new anime film “Demon Slayer: Kimetsu no Yaiba the Movie: Mugen Train” is an action-packed tear-jerker that fans will love. With a run time of two hours and an R-rating, the film takes place right after the events of season one of the anime series “Demon Slayer: Kimetsu no Yaiba.” It follows the demon slayers, Tanjiro Kamado, Zenitsu Agatsuma, Inosuke Hashibira, and Nezuko Kamado, Tanjiro’s demon sister. They board the mugen train to team up with Kyojuro Rengoku, who is a part of the high ranked Demon Slayer group known as the Hashira, to defeat a demon who has been terrorising the train.