1girl, animal_ears, blue_one-piece_swimsuit, breasts, ch-b, competition_school_swimsuit, ear_ribbon, horse_ears, horse_girl, horse_tail, long_hair, looking_at_viewer, mejiro_mcqueen_(umamusume), one-piece_swimsuit, purple_eyes, purple_hair, school_swimsuit, small_breasts, smile, solo, swept_bangs, swimsuit, tail, tracen_swimsuit, umamusume