If they are swapped, then wouldn’t nezuko have tsuki no kami kagura (月の神神楽) (Dance of the moon god) rather than hinokami kagura (ヒノカミ神楽) (Dance of the fire god) or am I tripping?
*everyone being surprised, shocked, sad, happy, etc* Kanao(my child): *is blind and doesn’t know what’s going on* MY CHILD DESERVES BETTER THEN BEING BLIND CAUSE OF DOMA/DOUMA(upper 2)