Muzan x Female reader

In this story, you and Muzan were kids when you first met, you would always go to his house and play, entertain each other.

That is, until your home was attacked my bandits and killed your parents and took you hostage.

After that, nobody know where you were. You were presumed dead, leaving Muzan heart broken.

Fast forward many years later, you were reincarnated into a wealthy family.

You had anything you could ask for, but you had a strong urge to become a demon slayer.

Your parents did not approve but you did not care, so you trained hard every day until the test was near.

During the event, you met Kamado Tanjiro.
After meeting him you guys decided to team up together and fight for a greater cause.

After a few days after you and tanjiro get your swords, you both get your first mission , causing u both to split up.