1girl ;d arm_at_side bangs bare_arms bare_shoulders belt bikini bikini_under_clothes blonde_hair blue_shorts blush breasts collarbone commentary_request cosplay cowboy_shot denim denim_shorts dutch_angle front-tie_bikini_top front-tie_top green_background green_eyes halterneck hand_up heart highres idolmaster idolmaster_cinderella_girls jewelry long_hair looking_at_viewer minakamirin multicolored_bikini multicolored_clothes navel necklace no_shirt o-ring o-ring_top ohtsuki_yui ohtsuki_yui_(cosplay) one_eye_closed open_belt open_mouth ponytail sakurai_momoka short_shorts shorts sidelocks small_breasts smile solo standing star_(symbol) star_necklace stomach striped striped_bikini swimsuit two-tone_background unzipped white_background