1girl, ahoge, animal_ears, black_one-piece_swimsuit, blue_eyes, breasts, brown_hair, character_name, clothes_writing, competition_swimsuit, covered_navel, hat, horse_ears, horse_girl, horse_tail, long_hair, looking_at_viewer, medium_breasts, mini_hat, mini_top_hat, mr._c.b._(umamusume), on_one_knee, one-piece_swimsuit, shigino_sohuzi, simple_background, solo, swimsuit, tail, top_hat, umamusume, white_background, white_headwear