Three beautiful sisters, Minami, Ushio and Yuhi, are invited to an island, a South Seas paradise. Guided by their destiny, they visit the island and find out that they are successors to the throne. Soon after they return to their home, Neoranga, a divine guardian of the king of the island, appears in front of them. Neoranga, a giant body with some unknown metal and minerals, is able to communicate using telepathy.
The sudden appearance of Neoranga causes a catastrophe in the city of Tokyo. The government sends Self-Defense Force to Tokyo and its citizens are thrown into chaos. Minami, Ushio and Yuhi, being tossed upside down by their destiny, are about to find out a hidden story behind the scene.
Three beautiful girls with a thrilling story and exciting action will bring you to the world of Neoranga!