hasumi (blue archive), hasumi (swimsuit) (blue archive), blue archive, official art, 1girl, bikini, black bikini, black hair, black wings, blush, breasts, cleavage, feathered wings, front-tie bikini top, front-tie top, full body, hair between eyes, hair bun, huge breasts, large breasts, long hair, long hair between eyes, low wings, navel, official alternate costume, open mouth, red eyes, sandals, side-tie bikini bottom, single hair bun, single side bun, skindentation, standing, stomach, swimsuit, thigh strap, thighs, transparent background, wings