Demon Slayer: Twelve Kizuki/Muzan x fem reader x Hashira

//Never Judge A Book By It's Cover.//

Y/n is a girl who cares for both humans and demons, even the ones who try to kill her. She believes that not all demons are bad and there are good demons. Some people thought her thoughts of demons were a child's dream and ridiculous and some hoped the same. when she was a child a demon slayer kill her mother and try to kill her too. Nobody wanted to save her and just watched... anyone would expect another demon slayer to save the day... instead a demon saved her. But not just any demon...
...
...
...
...
...
It was the one and only king of demons, himself.

...Muzan kibutsuji

Will she chose a side?
Is she going to be a symbol of peace?
or doom?