1girl, o, animal_ears, ball, baseball, baseball_mitt, belt, breasts, brown_hair, clenched_teeth, green_eyes, green_shirt, grey_pants, high_heels, holding, holding_ball, horse_ears, horse_girl, horse_tail, long_sleeves, medium_hair, mejiro_palmer_(umamusume), motion_blur, multicolored_hair, multiple_views, nishiki_kazue, open_mouth, pants, parted_bangs, ponytail, shirt, shirt_tucked_in, simple_background, small_breasts, standing, standing_on_one_leg, streaked_hair, tail, teeth, throwing, umamusume, v-shaped_eyebrows, white_background