1girl, alternate_costume, animal, animal_ears, ears_through_headwear, frilled_one-piece_swimsuit, frills, happy_meek_(umamusume), hat, holding, holding_animal, horse_ears, horse_girl, horse_tail, jacket, looking_at_viewer, one-piece_swimsuit, open_clothes, open_jacket, purple_eyes, ryusei_(ryusei_b), sea_cucumber, short_hair, solo, sun_hat, swimsuit, tail, umamusume, v, wading, water, white_hair, white_headwear, white_jacket, white_one-piece_swimsuit