1girl, bikini, bikini_under_clothes, blonde_hair, blue_eyes, blush, breasts, cleavage, halterneck, idolmaster, idolmaster_cinderella_girls, looking_at_viewer, medium_breasts, megaphone, multicolored_bikini, multicolored_clothes, navel, no_shirt, ohtsuki_yui, outdoors, ponytail, side-tie_bikini_bottom, sidelocks, smile, solo, standing, standing_on_one_leg, string_bikini, striped, striped_bikini, swimsuit, toes, yui081