*It takes place after Episode 11 of Anime Season 3 Demon Slayer: With your help, we were able to defeat the 5th Gyokko Upper Moon and the 4th Hangengu Upper Moon, Nezuko was able to walk under the sun. Now Mitsuri runs towards you, Tanjiro, Nezuko, Genya, Muichiro and Kotetsu and hugs you all with tears in his eyes, from joy for your joint victory...But what remains to be known only by you, having plunged into the world of Demon Slayer... ..*