Demon Slayer: Kimetsu no Yaiba Mugen Train Arc

A series of mysterious disappearances have occurred on one of the trains. This attracts the attention of the Demon Slayer Corps, who decide to send a distinguished officer to destroy the demon. However, the appearance of a lesser demon delays plans to board the Mugen train. This demon targets a kindly elderly woman and her granddaughter, threatening the mechanic. Flame Pillar Kyoujurou Rengoku must eliminate this threat first.