1girl, animal_ears, armpits, blue_eyes, blurry, blurry_background, blush, breasts, cleavage, cloud, collarbone, detached_sleeves, eishin_flash_(umamusume), grass, horse_ears, horse_girl, horse_tail, kento_(kentdrawing), leg_up, looking_to_the_side, medium_breasts, medium_hair, motion_lines, open_mouth, racetrack, sky, solo, sweat, tail, thighhighs, umamusume