threeboon, hasumi (blue archive), hasumi (swimsuit) (blue archive), blue archive, absurdres, commentary, highres, 1girl, arms behind back, artist name, ass, bare shoulders, bdsm, bikini, black bikini, black hair, black ribbon, bondage, bound, breasts, collarbone, eye mask, feathered wings, hair bun, hair over one eye, halo, huge ass, large breasts, long hair, low wings, mask, navel, open mouth, red halo, ribbon, simple background, solo, swimsuit, wings