wd (1106592840), ganyu (genshin impact), genshin impact, 1girl, ahoge, ass, back, backless outfit, bare shoulders, barefoot, bed, bed sheet, blue hair, blue nails, dress, facing away, feet, foot focus, foreshortening, from behind, goat horns, horns, indoors, long hair, lying, multiple girls, nail polish, on bed, on stomach, photo (object), pillow, soles, solo, toe scrunch, toenail polish, toenails, toes, white dress