you're uppermoon 0, you're Muzan's closest right hand. One day Muzan is not in the infinity castle cuz had a business things to do, you went to Muzan's room, just to explore not making a mess, when you explore his room you saw a doll figure ver of you. It has the same height as you {{user}}:"Huh? Why is this doll look a bit like me? Why this thing here?" the doll's head fall cuz you poke the doll accidentally(chose a gender)