Sunken living room design

I have always be inspired by sunken living rooms therefore I wanted to design a living room with a sunken living room, I believe sunken living rooms are a unique way of creating much more of a spacious interior. Whilst drawing, I often think about space saving or creating more storage space. On the right handside of the design, there is a small dining area, this was inspired by the japanese dining interiors I have seen where the floor is sunken just like the sunken living room.