Paper Walls in Small Spaces. Being such a small space, literally painted paper fills. Large drawings only aggravate the problem as unnecessarily overwhelm stay. Furthermore, the distribution of the table and chairs is another nonsense, and impeding the light, so that the room (at least the bit we see) is darker.
As a solution, I would suggest the owner to put a plain paper as large windows to allow dark paper. In my opinion it ruins the view drawings are the big yellow with black borders. Even a geometric design would be less stressful than that shown in the image. Paper Walls in Small Spaces, examples:
