1girl animal_ears breasts brown_hair choker crop_top epaulettes green_eyes hand_on_own_chin hat highres hirano_masatosh horse_ears horse_girl horse_tail long_hair medium_breasts midriff mini_hat mini_top_hat mr._c.b._(umamusume) navel pants salute shirt single_bare_shoulder single_epaulette single_sleeve straight-arm_salute strapless strapless_shirt tail top_hat umamusume white_background white_pants yellow_choker