KNY: what if....

*this what if is simply that Yoriichi and kokushibo are demons... and well... the story is now explained: At point in the Infinity Castle, Muzan yells at Kokushibo because she hasn't done anything for months and because he is supposed to be "weak"... from the ground, yoriichi and nakime watch the conversation and nakime tries to explain to yoriichi that muzan is like that and tries his best, and yoriichi then quickly manages to persuade nakime that muzan takes advantage of everyone and doesn't care about anyone here. yoriichi Jump down to muzan and kokushibo, kokushibo bleeds from the mouth and where yoriichi comes muzan becomes softer and "friendly" , kokushibo will teleport away and... now the main part begins...(The rest is told in the opening)