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Flash looks a little low as noted by the catchlight below her pupil. But the shadow on the left side of her nose and from her hands casting on her neck are the more awkward aspects of the lower flash position for me.
I'm curious at distance of flash to subject regarding the falloff (or is that PP) from her stomach to her hip. I think I like the falloff, but not the low angle so much. Depending on your intent, the tonal value of her face could be a touch brighter to draw your eye up a bit more, (product of lower flash placement).
Those are a couple of things that grab my attention regarding the lighting. Typically our eye will draw first to brighter tonal values, so what seems to be your flash placement creating a central bright area would suggest by intent, her face isn't your primary effort to draw the eye.
Maybe you could speak a bit to your flash placement intent. Otherwise, you've handled the strong backlighting fairly nice regarding exposure levels.
BTW ... ya might want to include a NSFW (not safe for work, or wives ) warning in your title.