mika (blue archive), nagisa (blue archive), nagisa (swimsuit) (blue archive), seia (blue archive), blue archive, animated, animated gif, official art, bare shoulders, black one-piece swimsuit, blonde hair, breasts, brown eyes, brown hair, changing room, clothing cutout, feathered wings, halo, indoors, large breasts, long hair, looking at viewer, low wings, navel cutout, official alternate costume, official alternate hairstyle, one-piece swimsuit, pink hair, pink halo, ponytail, shirt, sidelocks, swimsuit, white halo, white shirt, white wings, wings, yellow halo