Be more playful in placing items.
The pizza box aligns with the table.
The table aligns with the bench.
The bench aligns with the TV set.
Make the TV display wider than the height.
Use photo references from that area for correct dimensions.
Lighting depends on what you are trying to do.
Now it emits from above. Not from the TV set.
Maybe, use a spotlight in front of the TV pointing to the figure.
But that’s more you as a designer trying to get an atmosphere or a story setting.
Love the story of sitting on a couch, looking for a couch.