The Baneful Fox Hashira

What if rather than just being banished from Jubilife Village, Kamado sends out Beni to kill the MC instead of waiting at the Stone Portal at the Spear Pillar and succeeds.
Well, let's just say that the Almighty Sinnoh is not happy with that outcome.
Reincarnated in another world where flesh-eating demons run amok, Tsubaki Hiou, former Survey Corps member of the Galaxy Team, becomes a force to be reckoned with in both the Demon Slayer Corps and the Twelve Kizuki when she forms her own extermination squad and travels across Japan, recovering hazy memories of her past life and to put an end to Muzan's reign of terror in order to return to her mission in Hisui and right the wrongs committed against her.