urabi (tomatohouse), himesaki rinami, gakuen idolmaster, idolmaster, 1girl, alternate costume, bare shoulders, bikini, black bikini, black gloves, black thighhighs, blue eyes, blush, breasts, brown hair, choker, cleavage, collarbone, demon girl, demon horns, demon tail, demon wings, elbow gloves, gloves, gluteal fold, groin, hair between eyes, hair ornament, horns, kneeling, large breasts, long hair, navel, o-ring, o-ring bikini, smile, solo, stomach, swimsuit, tail, thighhighs, thighs, wedgie, wet, wings