(Muichiro x Fem Oc!) After the loss of her younger brother, Kazuma Nakamura sets out to eliminate every demon that's in her way. Going through rigorous training to become stronger so she can one day avenge her brother. Oc x Muichiro Reader x Muichiro #1 Muichirotokito July 2025 I don't own demon slayer and all these characters aren't mine other than the oc.