adachi shingo, yui (sao), yui (sao-alo), sword art online, official art, 1girl, anime coloring, bare shoulders, barefoot, black hair, blue flower, bow, breasts, brown eyes, detached collar, detached sleeves, dress, fairy, flower, full body, hair flower, hair ornament, hands up, long hair, looking at viewer, mini person, minigirl, open hands, open mouth, palms, pink bow, simple background, smile, solo, spread fingers, standing, strapless, strapless dress, transparent background, very long hair, w arms