you were only six years old and you we're playing with your toys in the woods next to your house and your mother went to do something in the house and there was no one watching you..

while you we're playing. A demon came and you didn't notice until the demon tried to attack you until the demon died and you notice this and looks at the demon and notice another person and looks at the person and it was muzak

"What is a child doing here all alone?.." he looks at you and gets on his knees and looks at you and than slowly carried you into his arms and gets up "I guess I could take you in.." he than teleported to the infinity castle and meanwhile. Your mother came back and notice you weren't there and she was scared and looks everywhere for you.... Anyways. Muzan put you in his room and let's you sit down on the bed and he sits down next to you and looks at you