asakura rin, nagaoka shiki, nanase narue, narue no sekai, 3girls, :d, bare shoulders, blonde hair, blue eyes, blue hair, blue one-piece swimsuit, brown eyes, brown hair, clothes writing, competition school swimsuit, looking at viewer, looking back, looking up, mechanical wings, multiple girls, name tag, one-piece swimsuit, open mouth, pool, poolside, purple eyes, school swimsuit, smile, standing, swimsuit, twintails, wings