suisen (suisenhwa), hasumi (blue archive), hasumi (swimsuit) (blue archive), blue archive, absurdres, commentary request, highres, revision, 1girl, arm behind head, arm up, armpits, bare shoulders, beach, beach umbrella, bikini, black bikini, black choker, black hair, black wings, blush, breasts, breasts apart, choker, collarbone, covered erect nipples, day, eyes visible through hair, feathered wings, furrowed brow, grabbing own breast, hair between eyes, hair bun, hair over one eye, hair spread out, halo, halterneck, huge breasts, long hair, long hair between eyes, looking at viewer, lying, navel, ocean, official alternate costume, on back, open mouth, outdoors, ponytail, presenting armpit, red eyes, red halo, solo, stomach, string bikini, sweat, swimsuit, tearing up, umbrella, under umbrella, very long hair, wavy mouth, wet, wings