rqm55, futami mami, idolmaster, idolmaster (classic), highres, 1girl, bikini, black choker, breasts, brown eyes, brown hair, choker, cropped legs, demon horns, demon wings, elbow gloves, fake horns, gloves, grey background, hairband, heart, horn hairband, horns, looking at viewer, medium breasts, nightmare blood (idolmaster), official alternate costume, open mouth, outstretched arm, red bikini, red gloves, red hairband, short hair, side ponytail, simple background, skull choker, solo, sweat, swimsuit, thighhighs, wings