hoshikuzu kizuna (kizuna stardust), nice nature (umamusume), umamusume, highres, 1girl, alternate costume, animal ears, black skirt, black socks, black streaks, blush, breasts, brown eyes, brown hair, chair, desk, food, holding, holding food, holding popsicle, horse ears, horse girl, indoors, kneehighs, long hair, looking at viewer, on chair, pencil case, plaid clothes, plaid skirt, pleated skirt, popsicle, school chair, school desk, school uniform, shirt, short sleeves, sitting, skirt, socks, solo, thick thighs, thighs, tongue, tongue out, twintails, white shirt