1girl, ahoge, animal_ears, black_pantyhose, blue_eyes, blue_sailor_collar, blue_skirt, feet, foot_out_of_frame, foreshortening, full_body, grey_hair, horse_ears, horse_girl, knees_up, long_hair, looking_at_viewer, neckerchief, no_shoes, oguri_cap_(umamusume), open_mouth, panties, pantyhose, red_neckerchief, sailor_collar, shirt, simple_background, sitting, skirt, solo, toenails, toes, umamusume, underwear, white_background, white_panties, white_shirt, yamakou_(pixiv16324)