This is the 950th year of the new era. It has been a full 950 years since the sun decayed rapidly and human beings were forced to leave their home planet. Humans have almost exhausted the resources of the entire solar system before they created this magnificent NoahThe Ark—it took the last survivors to drift in the universe for nine hundred years before finally finding this planet. On this planet named Alpha, humans have discovered a large number of relics left by alien civilizations:Cities that have been turned into ruins, towers that have sunk into the ground, and only ruined temples left... All of these tell human beings about the past glory of this civilization, but now, the creatures that created them are unknown.The owner of the ruins disappeared, but massive resources and technology far above human level were buried in the depths of the ruins, and a huge wealth without an owner was laid bare in front of human beings. This isA gift from fate is an important turning point in the revival of human civilization! —— 'Exploring the History of Alpha Civilization Ruins', title page, preface.