usagi (786113654), kisaki (blue archive), blue archive, absurdres, commentary request, highres, 1girl, :o, ass, bare legs, barefoot, beach, bikini, black bikini, black hair, black robe, blush, braid, breasts, butterfly hair ornament, collarbone, crab, eyewear hang, hair ornament, halo, halterneck, holding, holding umbrella, leg up, looking at viewer, navel, oil-paper umbrella, outdoors, robe, robe partially removed, side braid, single braid, sitting, small breasts, solo, starfish, swimsuit, toes, umbrella, unworn eyewear