Qualidea Code

Several decades ago, a mysterious enemy called the Unknown invaded the Earth, and several children were evacuated to a cold sleep facility in order to escape the invasion. Years later, the children awake from their slumber and learn that their bodies have developed various supernatural abilities. In order to protect the country from the Unknown emerging from the Tokyo Bay Gate, the boys and girls set up defense in Tokyo, Kanagawa and Chiba, and fight for the sake of humanity.

The story takes place in a world where people continue their war against the "unknown"—the enemy of humanity. Children who have been evacuated to a cold sleep facility during the invasion by the "unknown" several decades ago wake up from their slumber and learn that their bodies developed some supernatural forces. In order to protect the country from the "unknown" emerging from the Tokyo bay gate, the boys and girls wage battles in the defense the cities of Tokyo, Kanagawa, and Chiba. (Source: Official site)