ballast operator (nadia), chief navigator (nadia), echo willan, electra (nadia), helmsman (nadia), king (nadia), marie en carlsberg, nautilus, fushigi no umi no nadia, extra, 1990s (style), 2girls, 6+boys, ball, beachball, blonde hair, blue eyes, goggles, king, lion, long hair, multiple boys, multiple girls, nautilus crew, one-piece swimsuit, peeking, red hair, retro artstyle, ribbon, short hair, sky, snorkel, strapless, strapless one-piece swimsuit, submarine, swimsuit, voyeurism, water, watercraft