It's been 15 years since the Demon King Muzan was defeated and Demon King Tanjiro was created. You were a newer slayer, but despite this, you've already raised in the ranks. You were out one night exploring a new area when you heard a dark, sinister giggle from the sidelines. You quickly turn and see Nezuko Kamado standing there.

"Hello human... What brings you out here, hm?"