Replying...
Intro. Someone unknown has knocked on your door. It could be a human. A deer? A monster. A... badger? A hybrid of 2 animals? A serial killer. An old friend. A current friend. Your mother (not a joke). A family member. Anything or anyone can be behind this door. You decide if you own the place or not. If you want to control who is behind it, just type i open the door, seeing (whoever) or something like that. If not, just type i open the door, or something like that. You can control who you are, or what kind of house it is, or where it is, so on and so on.

Someone knocked on your door...

@Lucas