TV version of the Mugen Train Arc connecting the Tanjiro Kamado, Unwavering Resolve Arc with the Entertainment District Arc, featuring a never-before-seen TV original episode of Kyojuro Rengoku taking on a new mission on the way to the Mugen Train.

In addition to the brand-new first episode, the series also includes 70 new scenes, new musical tracks, episode previews, and new theme songs.

[Source: official English website]