Volume light, default and enlarged
ADDED WITH DIRECTIONAL LIGHTS-
I added one directional light coming from the bottom right, towards the dad’s face in order to make the scene brighter enough to see everything. I then adjusted the shadow to a lighter colour so it wouldn’t look too stiff. Then I added a warm colour as the middle tone to make everything look more natural.
The other side of the room (left side) is darker than the side that has the volume light, to make it brighter I tried to add a spot light above the table but it only covers a small area and looks a bit stiff.
ADDING IN THE SECOND DIRECTIONAL LIGHT-
I then added another directional light for the left side of the room and placed it behind the sofa at first. But the shadows went all over the place and it darkens the dad’s face more when he walks over. So at the end I placed it in front of the sofa.
The shadow being made by the directional light coming from the right doesn’t make my character look good, so I turned if off and looks much better.