Novel info
Demon Slayer : Breath of The Forest

What if the greatest Demon Slayer... was a demon?
Exploited as a beggar, cursed by Muzan, he clings fiercely to his sanity and refuses the bloody feast demanded of his kind.
A chance encounter with the Demon Slayer Corps against a Lower Moon demon forges an unthinkable bond.
Fated as the inheritor of the unique "Forest Breathing" style.
Witness the rise of the ultimate paradox: the demon destined to be the strongest Demonslayer.
The Hashira who strikes fear into the hearts of countless demons,
The Forest Hashira—Shinichi Moriki!
Story take place 10 years before canon.