Rule 34 Dev - 00s 1girl bikini blonde_hair breasts day earrings female_focus green_eyes halterneck hand_on_own_hip hoshii_miki idolmaster idolmaster_(classic) innertube jewelry long_hair medium_breasts nail_polish navel open_mouth pink_nails ponnetsu side-tie_bikini_bottom smile solo string_bikini swim_ring swimsuit underboob|1425769956