hidulume, kayoko (blue archive), kayoko (dress) (blue archive), blue archive, absurdres, highres, 1girl, alternate costume, bare shoulders, black camisole, black choker, black dress, black hair, black horns, blush, breasts, bright pupils, camisole, cardigan, choker, closed mouth, covered navel, demon horns, demon wings, dress, ear piercing, earclip, grey hair, grey halo, halo, horns, legs up, long hair, long sleeves, looking at viewer, lying, multicolored hair, on back, open cardigan, open clothes, piercing, red eyes, single wing, sleeves past wrists, small breasts, solo, two-tone hair, white hair, white halo, white pupils, wings