motusii, agnes tachyon (umamusume), umamusume, highres, 1girl, animal ears, bow, bowtie, brown hair, chair, chalkboard, closed mouth, desk, elbow rest, horse ears, horse girl, horse tail, looking at viewer, medium hair, purple bow, purple bowtie, purple shirt, red eyes, sailor collar, school chair, school desk, school uniform, shirt, signature, skirt, smile, solo, tail, thighhighs, tracen school uniform, white sailor collar, white skirt, white thighhighs