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, corruption, covered navel, dark persona, elbow gloves, full body, gloves, grey leotard, hand on own hip, headgear, horns, large breasts, leotard, long hair, mask, mecha musume, mechanical horns, mechanical tail, mechanical wings, single horn, smile, solo, standing, tachi-e, tail, thigh boots, thighhighs, transparent background, wings