1girl, arm support, ass, bangs, bare arms, bare legs, bare shoulders, barefoot, black hair, blue one-piece swimsuit, blush, breasts, brown eyes, competition school swimsuit, from side, frown, hand on own leg, hand on own thigh, looking at viewer, looking to the side, matsunaga kouyou, one-piece swimsuit, original, poolside, school swimsuit, short hair, sidelocks, sitting, small breasts, solo, swept bangs, swimsuit, thighs, wet, wet clothes, wet hair, wet swimsuit, yokozuwari