1girl, ahoge, alternate_costume, animal_ears, breasts, brown_hair, christmas, cleavage, hair_between_eyes, hair_ornament, horse_ears, horse_girl, large_breasts, looking_at_viewer, meisho_doto_(umamusume), ohbuya, open_mouth, own_hands_together, purple_eyes, ribbon, simple_background, solo, umamusume, white_background