sugiyama genshou, sakamoto kanako, suzuhara sora, maple colors, absurdres, highres, scan, scan artifacts, 00s, 2girls, :o, back-to-back, black hair, blue hair, breasts, cameltoe, clipboard, cloud, competition swimsuit, covered erect nipples, day, goggles, gradient hair, hair between eyes, holding, holding stopwatch, large breasts, lens flare, long hair, looking at viewer, multicolored hair, multiple girls, one-piece swimsuit, one-piece tan, open mouth, outdoors, pink eyes, purple eyes, purple hair, school swimsuit, short hair, sidelocks, skin tight, sky, smile, standing, stopwatch, swimsuit, tan, tanline, transparent, watch, wavy hair