kamitsurugi ouka, kunijima chiaki, kouyoku senki exs-tia concert, game cg, non-web source, official art, variant set, 1girl, :d, barefoot, black horns, black leotard, black sleeves, black wings, breasts, cleavage, closed eyes, covered navel, dark exs-tia abyssus, demon girl, demon horns, demon tail, demon wings, detached sleeves, fingernails, floating hair, full body, gluteal fold, gradient hair, grey hair, hairband, halloween costume, head wings, highleg, highleg leotard, horns, large breasts, leotard, long hair, long sleeves, multicolored hair, nail polish, open mouth, purple hair, red nails, see-through clothes, sharp fingernails, shiny skin, sideboob, smile, solo, standing, tachi-e, tail, toeless legwear, toenails, transparent background, two-tone hair, very long hair, wings