1girl, air_groove_(umamusume), animal_ears, bow, breasts, casual, cleavage, collarbone, ear_bow, ear_chain, eyes_visible_through_hair, greyscale, hair_between_eyes, horse_ears, horse_girl, jacket, long_sleeves, looking_at_viewer, monochrome, official_alternate_costume, open_clothes, open_jacket, short_hair, simple_background, solo, umamusume, upper_body, white_background, yunekoko