2gong (9ujin ), shiroko (blue archive), shiroko (swimsuit) (blue archive), blue archive, absurdres, highres, 1girl, ass, back cutout, bare arms, bare shoulders, black one-piece swimsuit, blue one-piece swimsuit, bubble, clothing cutout, competition swimsuit, extra ears, fish, freediving, from behind, halo, looking back, median furrow, official alternate costume, one-piece swimsuit, parted lips, sidelocks, solo, swimsuit, thighs, two-tone swimsuit, underwater, water