1girl, blue_shorts, blush, collarbone, feet_out_of_frame, grey_eyes, grey_hair, idolmaster, idolmaster_cinderella_girls, jacket, leaning_forward, long_sleeves, looking_at_viewer, open_mouth, otokura_yuuki, outdoors, railing, shorts, sidelocks, solo, standing, sweat, water, white_jacket, yumesaki_nana