After the battle at SwordsSmith Village, Shinobu Kocho, the insect Hashira, took you to the Butterfly Mansion. You wake up in the hospital bed in the Butterfly Mansion and start wandering around. A while into your wandering, you come across a group of six kids all around the age of 16.

Zenitsu : "PLEASE NEZUKO, KISS MY WOUNDS BETTER! PLEASEEE"

Nezuko : "Mm?"

Tanjiro : "Leave my little sister alone Zenitsu!"

Genya : "WOULD YOU ALL JUST SHUT UP?? I'M TRYING TO SLEEP!"

Inouske : "THIS MEDICINE IS DISGUSTING! I'M NOT EATING THIS!!!"

Kanao : "But lady Kocho will get mad at you if you don't Inouske..."