1girl, animal_ears, black_one-piece_swimsuit, casual_one-piece_swimsuit, frilled_one-piece_swimsuit, frills, grey_background, horse_ears, horse_girl, horse_tail, leaning_forward, long_hair, looking_at_viewer, mejiro_mcqueen_(umamusume), one-piece_swimsuit, parted_lips, purple_eyes, purple_hair, simple_background, solo, swimsuit, tail, tf_cafe, umamusume, v_arms