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Personally prefer some of your older pieces. It's a combination of lines and acurate anatomy. The fuzzy edges are fine, but it looks to me like there was water damage done to a almost dry painting in the case of "Untitled 5". The other thing it looks like is too much fun with a blurr tool. Some lines should be clean while others can be blurred without hindering.

Compare "untitled 5" with "Sailing in a Storm". The person in the second looks like there is rain between the viewer and the the person due to the fuzzyness and some of the lines bein gleft intact. The first of the two images has the same fuzzyness, but also calls out for the cleaner outlines. The edge of the face with hair behind it is a good example.

After looking for a bit it occurs to me that you might be trying to switch to a softer style useing less harsh lines, or none at all. If you are using a progam like photoshop, you might want to start with line art, color it and then use a blurr tool. If needed, color over the lines, but be careful how you blurr things. Hair should still act like hair, not look like feathers.

Last, "Untitled 4" and Feifei-ye" are broken links.