1boy, 1girl, animal_ears, blue_sleeves, blush, breasts, brown_hair, cleavage, detached_sleeves, dress, ear_scrunchie, frilled_dress, frilled_sleeves, frills, hair_bobbles, hair_ornament, hand_to_own_mouth, holding_another's_arm, horse_ears, horse_girl, horse_tail, large_breasts, long_hair, low_twintails, sidelocks, solo_focus, tail, trainer_(umamusume), twintails, twitter_username, umamusume, white_background, white_dress, yamanin_zephyr_(umamusume), yamano_rokamizu, yellow_eyes