ootomo takuji, himejima akeno, dolphin wave, high school dxd, game cg, highres, non-web source, official art, 1girl, black hair, blush, boots, breasts, cleavage, closed mouth, demon wings, elbow gloves, feathered wings, gloves, hair ribbon, huge antenna hair, large breasts, leotard, long hair, looking at viewer, navel, official alternate costume, pink leotard, pink thighhighs, ponytail, purple eyes, ribbon, smile, solo, thigh boots, thighhighs, transparent background, very long hair, wings