2girls, alternate_costume, animal_ears, armpits, bent_over, between_breasts, bikini, black_hair, blue_eyes, blush, breasts, brown_hair, collarbone, cowboy_shot, ear_ornament, eishin_flash_(umamusume), flower, hair_between_eyes, hair_ornament, horse_ears, horse_girl, horse_tail, large_breasts, leaning_forward, medium_breasts, multiple_girls, navel, o-ring, o-ring_bikini, ocean, outdoors, short_hair, sky, smart_falcon_(umamusume), smile, swimsuit, tabunshake, tail, thigh_strap, twintails, umamusume