1girl, animal_ears, breasts, brown_hair, bush, cleavage, daiwa_scarlet_(umamusume), fang, fence, hair_down, hair_intakes, horse_ears, horse_girl, horse_tail, lamp, large_breasts, long_hair, naked_towel, night, onsen, purple_eyes, sky, solo, straight_hair, tail, towel, tree, umamusume, very_long_hair, vococo, wet, wooden_fence