1girl, aqua_eyes, aqua_hair, bare_shoulders, black_legwear, boots, facial_mark, grey_background, long_hair, looking_to_the_side, muted_color, navel, one_knee, panties, pout, simple_background, skirt, skirt_around_one_leg, solo, striped, striped_panties, thigh_boots, thighhighs, twintails, underwear