1girl, alternate_costume, animal_ears, ass, bad_twitter_id, blurry, blurry_background, cloud, grass_wonder_(umamusume), hair_ornament, horse_ears, horse_girl, horse_tail, jacket, looking_at_viewer, looking_back, open_mouth, shia0016, shorts, sky, solo, tail, tracen_training_uniform, track_jacket, umamusume