1koma, 4girls, anger_vein, animal_ears, closed_eyes, comic, greyscale, horse_ears, indoors, long_hair, mayano_top_gun_(umamusume), medium_hair, monochrome, moriseishiro_(uroshiiserimo), multiple_girls, naked_towel, narita_brian_(umamusume), sauna, shouting, sitting, steam, sweat, towel, umamusume, very_long_hair