After successfully sealing the god of war and guardian of Mars, Seiya is now faced with the imminent threat of his revival. Athena, or Saori Kido, has been nurturing Kouga, a young boy who was rescued by Seiya. Kouga has been working hard to develop his skills as a Saint, unaware that his destiny will soon be unveiled as he uncovers his hidden Cosmo power. Thus, a bold, new legend of a courageous Saint is about to begin.