1girl, animal_ears, artist_name, black_jacket, breasts, brown_background, brown_eyes, brown_hair, chewing_gum, crop_top, dog_tags, index_finger_raised, jacket, looking_at_viewer, mayano_top_gun_(umamusume), midriff, navel, patch, shorts, small_breasts, solo, souramble, standing, thighhighs, two_side_up, umamusume