spinel (9057), z/x, official art, 1girl, ahoge, ball, beach, beach mat, beach umbrella, beachball, bikini, blue eyes, bottle, bucket, closed mouth, copyright notice, flower, frilled thigh strap, frilled wrist cuffs, frills, grey hair, headphones, holding, holding bottle, innertube, maid, maid bikini, maid headdress, medium hair, outdoors, ramune, sand, sand castle, sand sculpture, shell, shovel, sitting, solo, sparkle, sunglasses, swim ring, swimsuit, thigh strap, tree, umbrella, unconventional maid, unworn eyewear, white flower, white wrist cuffs, wrist cuffs, yokozuwari, yui (z/x)