okasa re taii, seia (blue archive), seia (swimsuit) (blue archive), blue archive, 1girl, animal ear fluff, animal ears, arm behind back, beach, blonde hair, breasts, cloud, covered navel, cross halo, fox ears, fox girl, fox tail, groin, halo, highleg, highleg one-piece swimsuit, innertube, long hair, ocean, one-piece swimsuit, orange-tinted eyewear, outdoors, side ponytail, sky, small breasts, smile, solo, sunglasses, swim ring, swimsuit, tail, thighs, tinted eyewear, unworn eyewear, visor cap, white one-piece swimsuit, yellow eyes, yellow halo, yellow visor