1girl, animal_ears, arm_behind_head, arm_up, armpits, black_camisole, black_hair, blue_eyes, blue_sky, blush, bob_cut, breasts, camisole, choker, cleavage, cloud, day, detached_sleeves, eishin_flash_(umamusume), facing_to_the_side, hair_between_eyes, horse_ears, horse_girl, large_breasts, long_sleeves, looking_at_viewer, outdoors, parted_bangs, puffy_sleeves, short_hair, sky, solo, umamusume, upper_body, uu-tan_(hushigi10)