1girl, alternate_costume, animal_ears, bad_pixiv_id, bare_shoulders, belt, blurry, blurry_background, breasts, brown_hair, christmas, christmas_tree, cleavage, collarbone, couch, detached_sleeves, dress, ear_ornament, elbow_gloves, feriri, fur-trimmed_dress, fur_trim, gloves, hair_between_eyes, hair_ornament, horse_ears, horse_girl, horse_tail, indoors, large_breasts, multicolored_hair, on_couch, open_mouth, red_dress, santa_costume, satono_diamond_(umamusume), sitting, snow, solo, streaked_hair, tail, umamusume, white_gloves, white_hair, window, windowsill, yellow_eyes