Sharp looking
The use of black and white helps deliver the ghostly look perfectly, Soft edges also build on her ghostliness, for they portray an image of transparency, Besides ghostliness, the attire/what can be seen of her body also ties into the look of unearthliness, The heavy outlining of darkness around her eyes, plus the lack of pupils, is especially sinister, Lovely piece.
~~THINGS TO IMPROVE ON~~
I dont think it needs anything but maybe some small detail in the backround even without it its pretty nice work.
~X~