Prolouge I

For thousands of years demon slayers have fought against Muzan Kibutsuji and failed, but will that all change with the birth of two children who will become brothers in all but blood.

Story cover is in no way mine. Here's the link https://www.google.com/search?q=demon+slayer+fanart+kanae&tbm=isch&ved=2ahUKEwjf1eaJsqD_AhWnHDQIHV5NDD0Q2-cCegQIABAC&oq=demon+slayer+fanart+kanae&gs_lcp=ChJtb2JpbGUtZ3dzLXdpei1pbWcQAzIFCAAQgAQyBggAEAgQHjIGCAAQCBAeMgYIABAIEB4yBQgAEKIEOgYIABAFEB5Q3ghY7R9g7iJoAHAAeAGAAb4BiAGuBpIBAzcuMpgBAKABAcABAQ&sclient=mobile-gws-wiz-img&ei=X613ZJ-qK6e50PEP3pqx6AM#imgrc=JimCLJiS2jnnrM&imgdii=qbhjTKwa3OC7DM