うなじ

(masterpiece), (best quality),(ultra-detailed),(illustration),(extremely detailed),(perfect anatomy),(super detailed skin),(detailed),(beautiful detailed eyes),1girl,solo,, longhair, silver hair,adjusting hair,back,back focus,nape,median furrow,shoulder blades,(arms behind head),backless dress,backless outfit,blue dress,earrings,facing viewer,from behind,hair over shoulder,necklace,cowboy shot,,