Just as the planet approached its third World War, individuals with superpowers appeared from around the globe to maintain peace. They became the symbols of their respective nations, striving to limit crime and bring evildoers to justice. Teenage heroine Teru "Shy" Momijiyama is Japan's representative in the world of heroes. When a mysterious threat called Amalareiks emerges, Shy must work together with her fellow heroes to stop them at all costs.