s10021, hasumi (blue archive), hasumi (swimsuit) (blue archive), blue archive, absurdres, highres, 1girl, bare shoulders, bikini, black bikini, black hair, black wings, blush, breasts, choker, cleavage, collarbone, front-tie bikini top, front-tie top, full body, groin, hair between eyes, hair bun, halo, hand on own hip, huge breasts, long hair, long hair between eyes, looking at viewer, low wings, navel, open mouth, red eyes, red halo, sandals, side-tie bikini bottom, side ponytail, single side bun, solo, swimsuit, thighs, very long hair, wings