I know this was 8 years ago, but you should've drawn her null if you were confident in just the borders of the crotch! Or just slight blurring, because the black boxes break the immersion and now I don't have an original artist source to fave from (I'm picky about what I put in my faves). But amazing work, nonetheless!
Edit: I'm favoriting anyways!
I know this was 8 years ago, but you should've drawn her null if you were confident in just the bord