Evil Forces Invade! My Mecha Is Alive!

In 2949 AD, human science and technology on Earth developed rapidly over thousands of years, and finally broke through the blockade of the Milky Way. At the edge of the Milky Way, a mysterious giant door stood abruptly in the universe. The Earth Alliance Army identified it as the door of destiny for the rise of mankind, and decided to use the most sophisticated weapons to forcefully open it... The boy chosen by fate, the mysterious silver mecha, and the strange giant gate of the universe. Are they opportunities for human evolution or Pandora's box? Qitian's journey has just begun...