Rule 34 Dev - 1girl absurdres arm_support ball blue_leggings blue_ribbon blush breasts breath deras exercise_ball gakuen_idolmaster grey_hair hair_ribbon half_up_braid highres hood hoodie idolmaster indoors katsuragi_lilja large_breasts leggings looking_at_viewer ribbon ribbon_braid short_hair sitting smile solo white_hoodie|25272840177