coa (chroo x), tokai teio (umamusume), umamusume, commentary request, highres, 1girl, animal ears, back bow, blue eyes, blush, bow, bowtie, brown hair, closed mouth, cowboy shot, hair ribbon, holding, holding letter, horse ears, horse girl, horse tail, letter, long hair, love letter, multicolored hair, pink ribbon, pleated skirt, ponytail, purple bow, purple bowtie, purple shirt, ribbon, sailor collar, school uniform, serafuku, shirt, short sleeves, simple background, skirt, solo, summer uniform, tail, tracen school uniform, two-tone hair, white background, white hair, white sailor collar, white skirt