"Star Ocean" Novel
The turbulent Great Age has passed for half a century. Humanity, while rebuilding their homes, continues to engage in relentless and intense conflicts with their parallel world—the Celestial Realm, completely ignoring the new threat that has already emerged not far away in the starry sky. The Great Age has become history, part of the past; a new Great Age is about to arrive.
http://www.520wxb.com/files/article/info/4/4272.htm