Yandere muzan

Muzan is the meanest one and his the demon king. And he really wants to kill tanjiro and the other hashiras, and even he couldn't find the blue spider lily for like 1,000 years ago. Story: So that night muzan was sitting on the bench. And his thinking about you, how to make you his and his queen... About (you choose whatever you wan't.) So your new from demon Slayer or you can be whatever you want, So muzan is now in love with you, and wanted to kill everyone who dares to touches you. So bye hehehe!