What if Yoriichi was the ancestor of Tanjirou, what would change and what would stay the same.

[ discontinued ] Tanjiro went to sell charcoal for family and came late because he also help some people. A man offers tanjiro to stay the night but tanjiro smells a strange smell from home. Tanjiro goes home fast and finds a man who calls him self " muzan kibutsuji " The man tells tanjiro to become his Oni in order to save his family. Tanjiro accepts and becomes a demon What will happen to tanjiro next?

He will do whatever it takes to accomplish two things: Protect his sister and fulfill his father's longing. After all, it's cursed blood

Tanjiro had watched his family get brutally murdered.

Once every year, Kamado family danced Hinokami Kagura as a form of praying to their God: Fire Goddess. As a return, The Beloved Fire Goddess bestowed Her protection for their well-being. It's only a given that Tanjirou had an odd luck and odd weapon on his hip. Fire Goddess had recognized him as the first bornーthe one who would sacrifice anything for the greater good, especially when his family was involved. And thus, She gave him her Special Blessing, or so what he said. Sadly (for Tanjirou), the others didn't think the same. "Either way, that sword is too strange! What kind of sword that can sever destiny and karmaーor what the hell with that!" "That's just rude, Zenitsu..."

muzan visits earlier then expected for the kamados and ended up with a child to raise