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

When Yoriichi died, he died crying for his older brother who turned into a demon. He cried because he couldn't accomplish anything he was supposed to in his life. And then, Tsugikuni Yoriichi was reborn as Tanjiro Kamado, an omega prime. And apparently, he was cute enough to get the attention of all the Hashiras in Demon Slaying Corps. And not only them... Kibutsuji Muzan claimed him even more beautiful than when he was still beta Tsugikuni Yoriichi. Well... Yoriichi - now Tanjiro - didn't think so... ° ° ° ° ° ° ° ° This is an reincarnation AU where beta Yoriichi got reincarnated as omega prime Tanjiro. Also... Everyone seems to miraculously fall in love with him... Alpha/Beta/Omega Dynamics

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

A MOON RISE STRONGER THAN ANY UPPER MOON DEMON MUZANS BEST CREATION UPPER MOON ZERO BUT WHO IS THIS NEW UPPERMOON AND HOW STRONG IS THIS NEW DEMON

This is a fanfic about " If Tanjiro Came back Home earlier

THEY THINK THEY COULD GET RID OF ME SO EASILY I SHOW THEM, THIS WORLD IS MINE AND WILL RID MY WORLD OF DEMON SLAYER AND FORMER DEMONS, YOU WILL PAY TANJIRO TSUGIKUNI