Rule 34 Dev - 1girl ball barefoot bike_shorts blush breasts camisole clothes_pull exercise_ball exercising full_body gakuen_idolmaster grey_hair hair_bun hamao highres idolmaster kuramoto_china looking_at_viewer navel nipples panties pink_panties shorts shorts_pull small_breasts solo sweat toes underwear very_sweaty yellow_eyes|25242073857