1girl :d anastasia_(idolmaster) ass_visible_through_thighs bare_shoulders beach beach_umbrella bikini blue_eyes blush bottle breasts cleavage cloud cloudy_sky collarbone commentary_request crescent day from_below highres hip_focus holding holding_bottle idolmaster idolmaster_cinderella_girls jewelry looking_at_viewer nakatama_kyou navel open_mouth outdoors pendant purple_bikini short_hair sky small_breasts smile solo stomach sunlight sweat swimsuit umbrella water_bottle white_hair