kamitsurugi ouka, itakano shigure, kouyoku senki exs-tia concert, game cg, highres, large variant set, non-web source, official art, variant set, 1girl, armor, avalastia, black hair, boots, breasts, closed mouth, corruption, covered navel, dark persona, detached wings, elbow gloves, full body, gloves, grey leotard, hand on own hip, headgear, horns, large breasts, leotard, long hair, looking at viewer, mecha musume, mechanical horns, mechanical tail, mechanical wings, purple eyes, single horn, solo, standing, tachi-e, tail, thigh boots, thighhighs, transparent background, wings