It is the year 2035. The world is filled with advanced science and technology, sophisticated computer systems, audio/video multimedia conversions, world government unification, and network wars with hackers. In this future world controlled by one huge multinational company, a 14 year old named Kang Maru - a boy with excellent maneuvering skills in a RESTOL simulation game, was chosen by GEONOID - a company with the task of protecting the earth against natural calamities, to pilot RESTOL 03, one of the 5 RESTOLs. Now, he and his teammates face difficult challenges in their duty and on their space-based rescue station R-SAT.