A catastrophic earthquake has left Tokyo, and most of the Earth for that matter, under the sea. Aika is a salvager who retrieves various remains from the watery ruins. When Aika accepts the dangerous mission of locating and obtaining the mysterious Lagu, she discovers that she's not the only one after it.

In the first test of a revolutionary personal battle-suit, the MADOX-01, Ace female test-pilot Elle Kusomoto smashes an attacking tank force and humiliates Lt. Kilgore, Japan's most-macho tank-jockey, in the process. Kilgore swears he'll get even, and he gets his chance when the prototype MADOX literally falls off the back of a truck in the middle of Tokyo. Meanwhile, the MADOX, which fell off the back of one truck, off a bridge, and into the back of another truck, has found its way into the hands of college student Koji Sujimoto. Intruiged by the MADOX, Koji makes the big mistake of fooling with it without reading the manual first, and soon finds himself locked in the suit and zooming around downtown Tokyo.

A young mystic without a past, Kujaku was born under a dark omen possessed of incredible supernatural powers. Raised by priests, he has learned to use these powers for good. But the evil Siegfried von Mittgard seeks to steal his birthright, and rule the world as the Regent of Darkness. He has dispatched bloodthirsty minions to destroy Kujaku before he can awaken to his destiny. Now, Kujaku must unravel the riddle of his past, before the power within consumes him!

Azalea has been residing on the Colony-Planet of Dinahl, and she can't recall anything about herself until she hears a voice calling her name. Then there is another voice summoning her to go to a park on top of a skyscraper. Once she arrives there, she meets up with other people who also have no recollection of who they are or what they were doing before arriving at this destination as instructed by the voice. All the people assembled there possess superhuman powers, such as Eno's psychic power, Umoth's x-ray vision, Neia's teleportation powers, Azalea's telepathy, and Locke's electrical wizardry. Who has summoned them, and what will the five super-psychics confront?