1girl, d, agnes_tachyon_(umamusume), ahoge, animal_ears, bare_shoulders, bathing, blush, breasts, brown_hair, cleavage, closed_eyes, horse_ears, horse_girl, horse_tail, large_breasts, motsushi, naked_towel, onsen, partially_submerged, plant, short_hair, smile, solo, tail, towel, umamusume, wet, wooden_wall