The Dream World looks dull enough to be fanart. Some shading would look better and more professional. Then again, I'm a sucker for Sugimori's art. Forgive if I spelled his name wrong.
Edit: Had to take a second look. I do see some shading, and slight different colors. I really wish the lines weren't that thick, it really takes the joy out of the artwork for me. The different poses do take up for it though. Still, I prefer Sugimori's work.