1girl, animal_ears, belt, blush, breasts, brown_eyes, cheerleader, collarbone, horse_ears, horse_girl, horse_tail, looking_at_viewer, medium_breasts, navel, nice_nature_(run&win)_(umamusume), nice_nature_(umamusume), one_eye_closed, open_mouth, pom_pom_(cheerleading), ponytail, primamiya, red_hair, solo, tail, umamusume, white_background