1girl, alternate_costume, animal_ears, ass, blue_eyes, blue_shorts, bow, brown_hair, closed_mouth, ear_bow, feet_out_of_frame, grass_wonder_(umamusume), hands_in_pockets, horse_ears, horse_girl, horse_tail, jacket, long_hair, long_sleeves, looking_at_viewer, otimusyairoha, red_jacket, short_shorts, shorts, simple_background, solo, standing, tail, tail_through_clothes, umamusume, yellow_background