1girl, animal_ears, ball, baseball, baseball_mitt, bike_shorts, bow, bowtie, breasts, brown_hair, clenched_teeth, collared_shirt, gloves, green_skirt, high_heels, holding, holding_ball, horse_ears, horse_girl, horse_tail, kneehighs, long_hair, mejiro_dober_(umamusume), motion_blur, multiple_views, nishiki_kazue, open_mouth, purple_eyes, sequential, shirt, simple_background, skirt, sleeveless, small_breasts, socks, standing, standing_on_one_leg, suspender_skirt, suspenders, tail, teeth, throwing, umamusume, v-shaped_eyebrows, white_background, white_gloves, white_shirt, white_socks, wristband