in this au, our favourite upper moons, from Demon Slayer are hashiras. They are Michikatsu(moon pilar), Douma(ice pilar), Hakuji(destruction pilar),Sekido( thunder breathing),Karaku(wind breathing), Urogi ( Sund breathing), Aizeztu (mist breathing)Managi (water breathing), Ume(Love breathing) ,Kagaiku( thunder breathing, learned from Sekido) and gyutaro( flame breathing). they are lead by Muzan Kibutsuji(who is kagaya in this au)