yanagi wakana, seiun sky (umamusume), umamusume, 1girl, animal ears, bare shoulders, blue eyes, blush, breasts, christmas, closed mouth, dress, flower, fur-trimmed dress, fur-trimmed headwear, fur trim, grey hair, hair between eyes, hair flower, hair ornament, hairclip, hat, horse ears, horse girl, horse tail, looking at viewer, red dress, red hat, santa costume, santa dress, santa hat, short hair, sleeveless, sleeveless dress, small breasts, smile, solo, sunflower, sunflower hair ornament, tail