ursica, seia (blue archive), blue archive, yellow headwear, highres, 1girl, alternate costume, animal ear fluff, animal ears, bare shoulders, barefoot, blonde hair, blush, breasts, casual one-piece swimsuit, closed mouth, collarbone, covered navel, extra ears, feet, foot focus, foreshortening, fox ears, glasses, gradient eyes, hair ornament, hair over one eye, halo, jewelry, licking lips, long hair, looking at viewer, multicolored eyes, nail polish, on ground, one-piece swimsuit, outdoors, parted bangs, red eyes, red nails, side ponytail, sidelocks, sitting, small breasts, smile, soles, solo, sunglasses, swimsuit, tinted eyewear, toe ring, toenail polish, toenails, toes, tongue, tongue out, visor cap, white one-piece swimsuit, yellow eyes, yellow halo