1girl, animal_ears, aston_machan_(umamusume), blush, breasts, cleavage, covering_breasts, covering_privates, crown, embarrassed, fence, flustered, full_moon, green_eyes, horse_ears, horse_girl, horse_tail, kokage_yugure, large_breasts, looking_at_viewer, moon, night, night_sky, onsen, sky, solo, sweat, tail, towel, umamusume, wet