seiun sky (casual) (umamusume), seiun sky (umamusume), umamusume, highres, 1girl, animal ears, black shirt, black socks, blue eyes, blue overalls, blue sky, blush, bucket, cat, cloud, denim, denim overalls, ear covers, fish, fishing rod, flower, grey hair, hair flower, hair ornament, hairclip, holding, holding fishing rod, horse ears, horse girl, horse tail, koshiba taiyaki, lighthouse, open mouth, outdoors, overalls, sandals, shirt, short hair, short sleeves, single ear cover, sitting, sky, socks, solo, stool, sunflower, sunflower hair ornament, suspenders, suspenders slip, tail