masato anno, the idolmaster cinderella girls, the idolmaster series, ohtsuki yui, 1girl, solo, blue eyes, blonde hair, smile, open mouth, blush, looking at viewer, pink nails, blurry, nail polish, teeth, :d, bangs, upper teeth only, jewelry, long hair, star (symbol), holding, earrings, depth of field, close-up, blurry foreground