1girl, animal_ears, biwa_hayahide_(umamusume), blush, breasts, buttons, closed_mouth, ear_ornament, grey_background, grey_hair, hair_ornament, horse_ears, horse_girl, jacket, large_breasts, long_hair, looking_to_the_side, nasuna_(hotjiji_0371), orange_eyes, red-framed_eyewear, semi-rimless_eyewear, simple_background, solo, umamusume, upper_body, very_long_hair, wavy_hair