1girl, alternate_costume, animal_ears, breasts, clenched_hands, covering_mouth, ears_down, flipped_hair, green_nightgown, hair_between_eyes, heart, horse_ears, horse_girl, horse_tail, kneeling, looking_at_viewer, matikanefukukitaru_(umamusume), medium_breasts, nightgown, on_bed, short_hair, simoyuki, simple_background, solo, starry_background, tail, umamusume, yellow_eyes