Nanako is a sexy apprentice nurse and housekeeper at the home of Dr. Ogami Kyoji, considered the world's greatest surgeon, scientist, and bioengineer. Aside from the crazy and dangerous antics and experiments in the laboratory and in outer space, where Nanako and Ogami interact with a cast of wild characters, global conspiracies are running rampant that seem to target Nanoko. She starts to discover that there's more to her mysterious identity than she could ever imagine!