yanagi wakana, seiun sky (umamusume), umamusume, 1girl, animal ears, bare shoulders, barefoot, bikini, blue eyes, blush, breasts, cleavage, ear covers, flower, green bikini, grey hair, hair between eyes, hair flower, hair ornament, hairclip, horse ears, horse girl, horse tail, looking at viewer, navel, open mouth, short hair, single ear cover, sitting, small breasts, smile, solo, stomach, sunflower, sunflower hair ornament, swimsuit, tail