1girl, animal_ears, aqua_skirt, arms_behind_back, bare_shoulders, brown_hair, closed_mouth, earrings, hair_ornament, hairclip, horse_ears, horse_girl, horse_tail, jewelry, kuzukiri_(riezenagel), matikane_tannhauser_(umamusume), multicolored_hair, outdoors, ponytail, short_hair, skirt, smile, solo, streaked_hair, tail, umamusume