Making a little room, what should I put in the empty area?

https://preview.redd.it/vqbz83jw7sid1.jpg?width=582&format=pjpg&auto=webp&s=9befb9392c676581ecb2923b560ca82d18388c97

I am planning to add the hanging stars to the small part that is currently filled. I do not have the DLC, so I am unable to add walls unfortunately