nieto tokage, gentildonna (umamusume), umamusume, 1girl, age progression, animal, animal ears, black shirt, black skirt, bow, breasts, brown hair, closed eyes, dog, ear covers, eyelashes, hair between eyes, hair ornament, heart, heart-shaped ornament, heart ear ornament, holding, holding animal, holding dog, horse ears, horse girl, long hair, open mouth, pink bow, red eyes, red skirt, red suspenders, shirt, simple background, skirt, smile, strong, tail, tail wagging, tongue, tongue out, white background