1girl, alternate_costume, animal_ears, blush, breasts, cleavage, collarbone, cosplay, daiwa_scarlet_(scarlet_nuit_etoile)_(umamusume), daiwa_scarlet_(umamusume), daiwa_scarlet_(umamusume)_(cosplay), gloves, gryebooks, hair_between_eyes, hair_ornament, horse_ears, long_hair, looking_back, medium_breasts, monochrome, pov, ribbon, santa_costume, satono_diamond_(umamusume), solo_focus, sweat, umamusume