Very lovely and well executed piece that is purely open for interpretation which only adds to its appeal. Regarding the criticism, the things that I feel can be improved on are:
- The wall. The manner in which it was painted in is very soft and lacks texture. This is especially evident when comparing to the very well detailed and sharp texture of the floor. I can understand softening it, to add more emphasis to the figure, but I feel it is way too airbrushed and randomly colored, making it resemble human flesh.
- Drapery / wallpaper in the top right corner. Not exactly sure what that is, due to the bottom of it being vary vague, looking like it's dissolving into the wall. A bit more refinement as to what's going on there would've been nice. In addition, the blue lighting in the corner of it feels out of place and is distracting to the eye once you notice it.
Last thing is minor and some may say it depends on personal taste, but I feel that her revealed breast is small in proportion to her head, as well as can benefit from more refinement. A subtle highlight along with a stronger shadow at the bottom can give it better definition.
Hope that helped. Great work man!