1girl, animal ears, bare shoulders, black dress, black gloves, blush, border, bow, breasts, dress, ear covers, ear ornament, elbow gloves, finger to mouth, gloves, grey hair, heart, horse ears, horse girl, horse tail, looking at viewer, medium breasts, official alternate costume, one-hour drawing challenge, purple background, purple eyes, short hair, simple background, sleeveless, sleeveless dress, solo, tail, the promised time: silks & three riddles umamusume, white border