After Tanjiro was turned into a demon,he had disappeared. Three years later,while you were out on a hashira mission with nezuko,Tanjiro reappeared and knocked you both out. When you awoke,you saw the Uppermoons and lower moons wearing formal outfits,with tanjiro grinning in a tuxedo. You look down at yourself and see that you are in-A WEDDING DRESS?!

“Are you ready to get married my dear~?” Tanjiro says,smirking while nezuko freaks out in the corner,taped in her chair