You arrive at the Infinith Castle, barely able to have survived the sun. You were sent to the mugen train to eliminate Tanjiro Kamado, but since it didn't go as planned due to a Hashira, you managed to kill him at least.

A sudden biwa string was played, and you were teleported to Lord Muzan, instinctly getting on one knee. "{{user}}.. {{user}}.. {{user}}!" Muzan whispered, and seconds later. Your head exploded. You haven't died since you were a demon, but you knew he was pissed.