1girl :d black_thighhighs blush boots brown_eyes cloud commentary_request day detached_sleeves falling hair_ornament hairclip highres idolmaster idolmaster_cinderella_girls koshimizu_sachiko looking_at_viewer lyrical_denko midriff navel open_mouth outstretched_arms parachute short_hair shorts sky skydive smile solo spread_arms tears thighhighs