Rule 34 Dev - 1girl arm_up armpits bad_id bad_pixiv_id bandeau bikini breasts female_focus grin hand_on_own_hip hip_bones idolmaster jougasaki_rika legs_apart long_hair micro_bikini monochrome navel nogi_yasuhito small_breasts smile solo strapless swimsuit twintails two_side_up underboob v wide_stance|6010487379