Return as Emperor

Ten thousand years later, the star world has regained its former glory. Now martial arts are prosperous, and the imperial court has been re-established in the world. There is a statue in the center of Kyoto. That man was the man who turned the tide for the star world ten thousand years ago. He tore apart the space and left with disaster. Now that ten thousand years have passed, he tore the space and returned to the star world. However, what he didn't expect was that all his magic power was lost. What would the cause and effect that happened ten thousand years ago bring to him...?