1girl, animal_ears, blue_one-piece_swimsuit, breasts, ear_ribbon, horse_ears, horse_girl, horse_tail, long_hair, looking_at_viewer, mejiro_mcqueen_(umamusume), neopure, old_school_swimsuit, one-piece_swimsuit, purple_eyes, purple_hair, school_swimsuit, small_breasts, solo, swept_bangs, swimsuit, tail, umamusume