1girl, alternate costume, arm support, bare arms, bare shoulders, black eyes, black hair, blue archive, breasts, chuo8008, cleavage, collarbone, from above, halo, large breasts, looking at viewer, mask, medium hair, mouth mask, ringed eyes, school swimsuit, side ponytail, simple background, sitting, solo, sukeban (smg) (blue archive), surgical mask, swimsuit, thigh gap, thighhighs, thighs, white background, white thighhighs, wide-eyed