Ah, this style reminds me a bit of Skullgirls! I love it. I adore the patterns/designs on her skin, and your ridiculously smooth line work.
I have to agree with Wabbla though, her underskirt is the same color as the background so it makes it rather hard to differentiate them. I would suggest lightening or darkening the color of the underskirt so it doesn't look like her arm is chopped off. Also her right hand appears to have a bit of white between the thumb and the fingers--nothing huge but seeing as everything else colored white is very deliberate, I think it would help to fix that.