kosubi (tsuneta328), hasumi (blue archive), hasumi (swimsuit) (blue archive), blue archive, commentary request, highres, 1girl, ball, bare arms, bare legs, bare shoulders, barefoot, beachball, bikini, black bikini, black choker, black wings, breasts, choker, cleavage, hair bun, hair over one eye, huge breasts, long hair, looking at viewer, navel, official alternate costume, open mouth, red eyes, side-tie bikini bottom, simple background, single side bun, sitting, sketch, skindentation, solo, sweatdrop, swimsuit, white background, wings