2girls, animal_ears, black_hair, blush, bottle, brown_hair, buruma, crossed_arms, grass, hair_rings, horse_ears, horse_girl, horse_tail, jacket, kitasan_black_(umamusume), looking_away, multiple_girls, outdoors, shorts, sunny_(20597521), sweat, sweep_tosho_(umamusume), tail, tracen_training_uniform, track_jacket, twintails, umamusume, water_bottle