1girl, grey_eyes, grey_hair, idolmaster, idolmaster_cinderella_girls, jacket, kawaty, long_sleeves, looking_at_viewer, midriff, navel, open_clothes, open_jacket, open_mouth, otokura_yuuki, shoes, short_hair, shorts, sneakers, solo, standing, standing_on_one_leg, sweat, thighs, track_uniform, white_background