1girl, alternate_costume, animal_ears, blush, breasts, brown_eyes, closed_mouth, collarbone, ear_covers, garter_straps, hair_between_eyes, hair_ornament, hair_ribbon, horse_ears, horse_girl, horse_tail, long_sleeves, looking_at_viewer, medium_breasts, medium_hair, midriff, miyama_mizuki_(hoshihoshi1220), navel, nice_nature_(umamusume), pointing, red_hair, ribbon, shorts, simple_background, solo, spread_navel, starting_future_(umamusume), tail, twintails, umamusume, white_background