1girl, animal_ears, aqua_eyes, black_shorts, black_socks, blue_hair, blue_jacket, blush, breasts, closed_mouth, godolphin_barb_(umamusume), grass, head_rest, horse_ears, horse_girl, horse_tail, jacket, long_hair, long_sleeves, lying, on_side, one_eye_closed, outdoors, parted_bangs, pinponpaaru, shoes, short_shorts, shorts, small_breasts, smile, sneakers, socks, solo, tail, umamusume