The shading is very nice, the textures too! BUT you should focus more on perspective, because a few proportions look a bit flat.
The chest could have a few contours, too.
The hair is my favorite part of the drawing, but try to make it seem more soft, and "flowy". You should add little stray strands of hair and give it a little more volume. You put a lot of effort into the hair. You should also work on proportions for the lower body. The feet could use a bit more detail.
But overall, this is absolutely amazing, great creativity.