1girl, animal_ears, black_skirt, blush, breasts, brown_hair, cleavage, cosplay, daiwa_scarlet_(scarlet_nuit_etoile)_(umamusume), daiwa_scarlet_(umamusume), daiwa_scarlet_(umamusume)_(cosplay), detached_collar, dress, flower, fujitaka_nasu, gloves, hair_between_eyes, horse_ears, horse_girl, large_breasts, long_hair, looking_at_viewer, naughty_face, night, night_sky, open_mouth, orange_eyes, pleated_skirt, red_gloves, santa_costume, santa_dress, satono_diamond_(umamusume), skirt, sky, solo, speech_bubble, star_(sky), umamusume, white_flower