Kumiko Minori is left as the sole survivor of her family following a demon attack when she is saved by the demon doctor Tamayo and her assistant Yushiro. As part of their small family, Kumiko becomes involved in the battle against Muzan Kibutsuji alongside the demon slayers. (Manga spoilers) Disclaimer: Kimetsu no Yaiba and its characters belong to Koyoharu Gotōge. Kumiko and the alternate story belong to me.
22 parts