Anime-original (not originally in the manga or movie) Episode Summary
The episode follows as he receives orders to investigate a series of mysterious disappearances on the Mugen Train. Before boarding, he visits a local station where he meets a "bento girl" named Fuku and her grandmother. Kimetsu no Yaiba: Mugen Ressha-hen (Dub) Episode 1
Episode Guide: Kimetsu no Yaiba: Mugen Train Arc - Episode 1 (Dub) Anime-original (not originally in the manga or movie)
While investigating the area, Rengoku encounters a demon known as the "Slasher" who has been terrorizing the town and railway. Through a series of flashbacks, it is revealed that Rengoku’s father, Shinjuro, had saved the grandmother years prior, adding depth to the Rengoku family's legacy. Rengoku eventually defeats the Slasher and prepares to board the Mugen Train, where he will later meet Tanjiro and his friends. Through a series of flashbacks, it is revealed