1girl, animal_ears, bad_pixiv_id, black_hair, blush, breasts, cleavage, closed_mouth, door, horse_ears, horse_girl, hugging_object, jacket, long_hair, looking_at_viewer, medium_breasts, mejiro_dober_(umamusume), pillow, pillow_hug, purple_eyes, solo, thighhighs, umamusume, zeatto