1girl, animal_ears, bare_arms, bare_shoulders, blush, breasts, brown_hair, fine_motion_(umamusume), from_behind, green_eyes, hair_between_eyes, horse_ears, komb, large_breasts, looking_at_viewer, looking_back, naked_towel, onsen, outdoors, ponytail, short_hair, sidelocks, smile, solo, tail, towel, umamusume, water