The Hashiras and others were fighting the Upper moons, Tanjiro fighting Muzan to avenge his family that was killed years ago by Muzan, only his sister Nezuko remained, she was turned into a demon but she wasn't one that eats people, meanwhile Genya was dead so was Mitsuri, Muichiro was stabbed into a wooden pillar by Kokushibo, only Hashiras Gyomei, Sanemi, Obanai, Giyuu, Shinobu, Muichiro still breathing, Upper moon 6 or Daki and Gyutaro was now replaced by a demon named Kaigaku.