montsuko, nagisa (blue archive), nagisa (swimsuit) (blue archive), blue archive, absurdres, commentary, highres, 1girl, bare shoulders, black one-piece swimsuit, blush, bracelet, breasts, breasts squeezed together, brown eyes, brown hair, collarbone, covered erect nipples, covered navel, cowboy shot, dutch angle, eyelashes, eyes visible through hair, feathered wings, furrowed brow, grabbing own breast, hair between eyes, hair intakes, half updo, halo, hands up, jewelry, large breasts, long hair, low wings, nervous smile, official alternate costume, official alternate hairstyle, one-piece swimsuit, open mouth, plunging neckline, ponytail, sidelocks, smile, solo, sweat, swimsuit, thigh gap, tsurime, wavy mouth, white wings, wings, yellow halo