kyuusui gakari, jio holst (galaxias), galaxias, commentary request, highres, 1girl, black sleeves, black thighhighs, blush, breasts, closed mouth, covered erect nipples, covered navel, detached sleeves, furrowed brow, greyscale, hair between eyes, hat, looking at viewer, monochrome, one-piece swimsuit, short hair, simple background, small breasts, solo, sweat, swimsuit, thighhighs, white background