1girl, animal_ears, black_hair, black_thighhighs, blue_eyes, blush, bob_cut, breasts, cleavage, closed_mouth, eishin_flash_(umamusume), holding, horse_ears, horse_girl, indoors, karo-chan, large_breasts, long_sleeves, looking_at_viewer, medium_hair, mimikaki, sitting, smile, solo, swept_bangs, thighhighs, thighs, umamusume, wide_sleeves, window