rein (user kmes7822), win variation (umamusume), umamusume, highres, 1girl, animal ears, belt, blush, breasts, cheerleader, choker, collarbone, crop top, cropped shirt, ear scrunchie, green eyes, green necktie, hair between eyes, hair ornament, holding, holding pom poms, horse ears, horse girl, horse tail, jacket, long hair, looking at viewer, low twintails, midriff, navel, necktie, open clothes, open jacket, open mouth, pom pom (cheerleading), pom poms, red choker, red hair, red jacket, shirt, skirt, smile, solo, star (symbol), tail, twintails, white shirt, white skirt