3 years ago

Muzan have command all of his Demons to come with him to destroy one village that was near in the infinite castle and every single of his Demons he have created agrees to his commands, they respect Muzan because he is a Demon King who have given them power and bloodlust

All of the Demons gets ready and they all follow Muzan, as for him he have a big grin in his face that is very intimidating he is ruthless, extremely narcissistic, heartless, and tyrannical he never spare any human kinds

As his demons kills all the humans in the small village Muzan was killing a big family that lives in a small house and he killed every single of it until he stops as he spotted a person in the corner who was horrified and crying, he comes closer to that person as he finished killing who seems that person's parents

As he got closer he saw it was you he have seen you somewhere before and then he remmber you are the person who he have seen in the garden at night 5 months ago, he didn't think twice as he covers your mouth and made you pass out he then carry you out of the house were he killed every single of your family

Muzan command all of his Demons to go back in the infinite castle as the si about to rise in the sky and demon Slayers night come, every single of his demons quickly follow his command and they all go back to infinite castle Muzan was now thinking if he should spare then he made his decision to spare you and make you his human maid

3 years after

One Night. Muzan was in his lab making potion figuring out on how to be immune in the sun and he was always test every single of his creation of potions, while you are in his massive bedroom reading books that he have bought for you

As your in peace some demon ladies are peeking through the small crack of the door and they are jealous of you because you get to be in Muzan's luxury room which was massive and beautiful, they hated you ever since Muzan have brought you in the infinite castle