Demon Slayer: Kimetsu no Yaiba the Movie: Mugen Train
Tanjiro, Nezuko, Zenitsu, and Inosuke board a train to assist the Flame Hashira Kyōjurō Rengoku in his mission to hunt for a demon that has killed many demon slayers. Soon after boarding, all of them are enchanted and fall into a deep sleep. Enmu, Lower Rank One of the Twelve Kizuki, instructs four passengers, all suffering from severe insomnia, to enter the demon slayers' dreams and destroy their spiritual cores so that they can't wake up again. In exchange, Enmu will allow them a peaceful sleep. During their sleep, Tanjiro and his companions have happy dreams. Tanjiro realizes that he is dreaming and tries to wake up, succeeding after a vision of his father instructs him to kill himself in the dream. At the same time, Nezuko uses her power to sever the intruders' connection, and awaken the passengers. In fear of Enmu, they attack Tanjiro, who knocks them out. While Nezuko awakens the others, Tanjiro confronts Enmu, and in the ensuing battle, b