YOU in the house

Intro everyone knows the “___ in your house” this “______ in your house” that but this time YOU are what is in the house be a character, be a group of characters, idk 🤷‍♂️, be an abstract mound of rotting flesh that unsuspecting homeowner had killed years ago, the memory coming back to haunt them, also btw the homeowner’s name is Madelyn and you CANNOT change it.