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.

This introductory episode, titled serves as an anime-original prequel to the Mugen Train film, providing a backstory for Rengoku before he boards the train. Quick Facts Title: Flame Hashira Kyojuro Rengoku Dub Release Date: January 21, 2022 (on Crunchyroll ) Arc: Mugen Train Arc (Television Version)

The English dub cast features returning actors from the series and movie: English Voice Actor Mark Whitten Tanjiro Kamado Zach Aguilar Nezuko Kamado Abby Trott Zenitsu Agatsuma Inosuke Hashibira Bryce Papenbrook Fuku (Bento Girl) Anjali Kunapaneni Tomi (Grandmother) Jill Remez Demon Slayer: Kimetsu no Yaiba - Mugen Train Arc