This is very... unique. I do admire it, the way it is drawn, but it almost creeped me out. I saw the other person in the corner and thought, "Stalker." With that being my first thought, looking at this picture for a while longer made me realize he looks frightened. I hope you were aiming for that becuase then you nailed it. If not, I sound messed up. I'll continue though. Every aspect of this picture is hand drawn, right? Bravo. I have to hand it to you, I'm still learning how to do backgrounds, and it seems like you have it downpact without a problem. I find that very astounding. Keep draing, and never lose hope.
Great work, lovely atmosphere. If I had to point out something to change, it would be the very bright spots of light on the floor on the right hand side. Since this whole area was much brighter in the original photo, the intense patches of sunlight have caused a bloom effect. Now you have darkened this area, this effect should be gone I think. Otherwise it looks like a bright photo that has been artificially darkened, rather than an area that's in the shade which I guess is what you want.