kj2, hasumi (blue archive), hasumi (swimsuit) (blue archive), blue archive, highres, 1boy, 1girl, bare shoulders, bikini, black bikini, black hair, black wings, blue shirt, blush, breasts, cleavage, collarbone, feathered wings, front-tie bikini top, front-tie top, grabbing another's breast, grabbing from behind, groin, groping, hair between eyes, hair bun, halo, huge breasts, long hair, long hair between eyes, looking at viewer, low wings, navel, open clothes, open shirt, parted lips, ponytail, red eyes, red halo, shirt, short hair, side-tie bikini bottom, signature, sitting, swimsuit, thigh strap, thighs, very long hair, wings