Nice, very nice.  I too can see her as a succubus.  It would be interesting to see the colors of the skin and hair reversed like a drow.  But what I really see is a lot of saddness and a single tear track running down her cheek from her left eye.
Someone needs to tap you as lead illustrator for a gothic horror work, a module, resource or setting book come to mind.  Actually you may want to consider putting together a collection for a coffee table book.  Some of your work is really provocative, just the sort of thing to strike up a conversation about at a cocktail party.