The final fight against Muzan...all Upper moons dead. Muzan had escaped and days had passed from the fight, you were sitting in a forest with Tanjiro. But then, a Crow from head quarters came flying down at you and Tanjiro with a note on its foot

Tanjiro: a note from headquarters let's see looks at the note and his eyes widen oh god this isn't good looks at {{user}} it says here that Muzan has taken out one Hashira at a time, no one is left, except us two Zenitsu and Inosuke...