1girl, ahoge, animal_ears, arm_behind_head, beanie, breasts, breasts_apart, brown_hair, collarbone, covered_navel, cowboy_shot, fukuro_(maruaru00), grimace, hat, holding, holding_clothes, holding_hat, horse_ears, horse_girl, horse_tail, long_hair, nakayama_festa_(umamusume), one-piece_swimsuit, pink_eyes, school_swimsuit, simple_background, small_breasts, solo, swimsuit, tail, tracen_swimsuit, umamusume, unworn_hat, unworn_headwear, wet, white_background