1girl, ahoge, animal_ears, biwa_hayahide_(noel_rouge_carol)_(umamusume), biwa_hayahide_(umamusume), blush, breasts, brown_pantyhose, cleavage, closed_mouth, dress, fur-trimmed_dress, fur_trim, gradient_background, grey_hair, hands_up, horse_ears, horse_girl, horse_tail, jewelry, large_breasts, long_sleeves, looking_at_viewer, necklace, pantyhose, red_dress, semi-rimless_eyewear, solo, suzuho_hotaru, tail, tiara, twitter_username, umamusume, upper_body, yellow_eyes