1girl, 2-butani, animal_ears, blush, breasts, brown_hair, cleavage, collar, collarbone, detached_sleeves, hair_between_eyes, hair_ornament, horse_ears, horse_girl, long_hair, low_twintails, medium_breasts, simple_background, smile, solo, twintails, umamusume, white_background, yamanin_zephyr_(umamusume)