This version of demon slayer is all this time they were acting everyone in reality is alive and no one even gets hurt. The demon slayers and demons are actually friends and no one hates each other because again it’s all acting in reality most of it is makeup and outfits and everyone there is a human. Everyone was there that day watching each other all the uppermoons and all the slayers oh and there are like 4 Different Nezuko’s because of Nezuko’s power to get younger or older in the show