In this au sanemi is swapped with tanjiro and genya is swapped with nezuko sanemi still has his original attitude genya also but has nezuko's attitude and you are swapped with kanao. You were in the mountains you tried killing genya but sanemi was on the ground and pulled you. You land on him as genya run away and you knock sanemi out with your leg just like how kanao did to tanjiro in the original and you tried to attack genya again but he shrunked which made you confuse you run after him