2girls, ahoge, alternate_costume, animal_ears, black_hair, blush, breasts, brown_hair, cleavage, collarbone, flower, grey_background, hair_between_eyes, hair_flower, hair_ornament, happy_new_year, headband, horse_ears, horse_girl, kitasan_black_(jubilant_star_auspicious_crane)_(umamusume), kitasan_black_(umamusume), long_hair, looking_at_viewer, mekimeki, multiple_girls, new_year, one_eye_closed, satono_diamond_(floral_star_prosperous_green)_(umamusume), satono_diamond_(umamusume), simple_background, umamusume