Sort of the whole point of a futon is that you put it in the closet during the day so you can reuse the space as your living room. Your bed just takes space tha

Sort of the whole point of a futon is that you put it in the closet during the day so you can reuse the space as your living room. Your bed just takes space that you don't use for 2/3 of the day. Similarly, kotatsu don't require chairs. You should see how compact things are in Japan :)