1girl, alternate_costume, animal_ears, blue_eyes, blue_sky, blush, breasts, collarbone, covering_mouth, field, flower, flower_field, grey_hair, hat, horse_ears, horse_girl, outdoors, overalls, patori, sky, small_breasts, solo, straw_hat, sunflower, sunflower_field, tamamo_cross_(umamusume), umamusume, yellow_flower