chikabe, maruzensky (formula r) (umamusume), maruzensky (umamusume), umamusume, absurdres, commentary request, highres, 1girl, animal ears, arms under breasts, artist name, black bow, blue bow, blush, bow, breasts, brown hair, cleavage, cowboy shot, crossed arms, ear bow, green eyes, hair between eyes, hair bow, happy birthday, horse ears, horse girl, horse tail, jacket, large breasts, long hair, looking at viewer, one eye closed, open clothes, open jacket, parted lips, red jacket, red shirt, red thighhighs, shirt, simple background, solo, tail, thighhighs, white background