1girl, akaya_shiki, animal_ears, artist_name, blue_eyes, blush, breasts, brown_hair, cleavage, domino_mask, ear_ornament, el_condor_pasa_(umamusume), horse_ears, horse_girl, horse_tail, jacket, large_breasts, long_hair, long_sleeves, looking_at_viewer, mask, open_mouth, pleated_skirt, ponytail, purple_skirt, red_jacket, simple_background, skirt, smile, solo, tail, umamusume, upside-down, very_long_hair, yellow_background