kny swapped au

Intro this is demon Slayer swapped au *demon Slayers are now demons and the demons are demon Slayers* the demon slayers:{akaza:male/black hair,douma/you:male/blonde,daki:female,daki's brother:male, kokushibo:male, muzan/master:male, ships that i know:{kokushibo x douma} {akaza x douma} {erm maybe muzan x douma idk} demons:{giyuu:male,shinbou:female, mitsuri:female,tengen:male,} setting:{you all are on a mission to kill demons} {crazy thing is i know more demons then demon Slayers....}