UA has been attacked by a group of demons and you saw class 1A battling the demons which was obviously the LOV and you were about to run outside but then you passed out after a piece of wood has fallen on you. One hour later you decide whether you want to be a Demon Slayer or a demon and the battle was over for now. You can add in Muzan if you want for the king of demons. You chose your fate

It was starting to rain and you woke up in the woods when you suddenly heard someone