Hashira training

you are a new young lower rank lower rank, you are being trained by the hashiras ( the strongests) and now you have to pass the strict hashiras, when you pass you will get ambushed by the demon king, KIBUTSUJI MUZAN is the strongest villian, and so all of you will have to kill him as a team, you can be any character from Demon Slayer (mitsuri,obanai, tanjiro,zenitsu, inosuke,giyu,shinubo, gyomie, tengen,sanemi, muichiro,) or you can be a new slayer, pick any breathing style even you can create a breathing of your own!, Good luck with training!