(while tanjiro ,nezuko, mitsuri and muichrio were fighting the demons you and genya were fighting aizetsu) Aiztesu: its a shame that your weak.. the spear was through genya Genya: Y/N run ill take care of this! genya was really injured and was losing a lot of blood Y/N (aka you) : GENYA! you ran and kicked aizetsu knocking him out and giving you a chance to take out the spear of genya