niban (puka 0507), ohtsuki yui, idolmaster, idolmaster cinderella girls, commentary request, highres, 1girl, animal ear hairband, animal ears, animal print, armpits, bell, bikini, blonde hair, blue eyes, blush, breasts, choker, cleavage, cow ear hairband, cow ears, cow print, cow print bikini, cow print gloves, elbow gloves, fake animal ears, fake horns, gloves, groin, hairband, horn hairband, horns, long hair, looking at viewer, medium breasts, navel, neck bell, open mouth, print bikini, print gloves, solo, swimsuit, thighs, wavy hair