kamitsurugi ouka, avalastia, itakano shigure, kouyoku senki exs-tia concert, game asset, highres, large variant set, non-web source, official art, self-datamine, variant set, 1girl, armor, armored boots, black hair, blush, boots, breasts, 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, open mouth, purple eyes, simple background, single horn, solo, standing, tachi-e, tail, thigh boots, thighhighs, transparent background, very long hair, wings