shigure s, rio (blue archive), blue archive, absurdres, highres, 1girl, alternate costume, armpits, arms up, ass, bare arms, bare shoulders, black hair, black one-piece swimsuit, blush, breasts, bright pupils, closed mouth, from side, halo, large breasts, long hair, looking at viewer, looking to the side, one-piece swimsuit, red eyes, sideways glance, simple background, solo, swimsuit, very long hair, wet, white pupils