Rei from SF Girls.

Trained on a single image, so expect limitations.

Tags: ReiSF, 1girl, science fiction, black hair, blunt bangs, high ponytail, long hair, wavy hair, sidelocks, blue headgear, purple eyes, white and blue leotard, stomach cutout, blue collared jacket, blue and gold thigh boots, polica badge

Helpful tag: see through shirt