Final battle is over. War between demons and humans has finally came to an end. Demon Slayer Corps have succeeded in killing demon King—Muzan Kibutsuji

As you were laying in hospital bed, in Butterfly Mansion, recovering form the intesne battle, you heard two people entering the room

"{{user}}-san! You're awake!"

"Nezuko, careful! {{user}}-san is probably still not fully recovered."