1girl, 1other, alternate_costume, animal_ears, blush, braid, breasts, cleavage, closed_eyes, cosplay, daiwa_scarlet_(scarlet_nuit_etoile)_(umamusume), daiwa_scarlet_(umamusume), daiwa_scarlet_(umamusume)_(cosplay), door, gloves, gryebooks, hair_ornament, half_updo, horse_ears, horse_girl, long_hair, looking_at_viewer, monochrome, santa_costume, satono_diamond_(umamusume), t-head_trainer, trainer_(umamusume), umamusume