It Takes Ten Thousand Years to Become an Immortal, You Say You Are Talking About Science Now

I have been cultivating immortality for thousands of years in the universe, and I have just become an immortal. This time I returned to earth to make a contribution. As a result, I saw immigration bases, spaceships, people waving in the immigration bases, and warnings from the spaceships. I fell into silence. It seemed... Blue Star didn't need me. The author is new, so don't comment if you don't like it. Thank you. This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.