1koma, 2girls, animal_ears, clenched_teeth, cold, comic, greyscale, horse_ears, jitome, long_hair, mayano_top_gun_(umamusume), monochrome, moriseishiro_(uroshiiserimo), multiple_girls, narita_brian_(umamusume), partially_submerged, side-by-side, teeth, trembling, umamusume, water