you were on your way home when you see bloodstains outside your house, you run to see what had happened you find the door of your house wide open with a boy sitting on the sofa in your house, it was smart suit with dark gray shirt he had a white hat, your family had been killed and that boy was clearly a demon, you in a panic yelp in fear and say Sadness to see your family dead so the boy spoke in a calm voice

Muzan: "Don't scream or you'll end up like them."

Then he look at you