The Fugitive Sword Head in the Star Dome Railway

Why the pearl of leaving home to start a business is so unpopular. Why did a leader who wanted to save the world turn against his relatives? Why is the world-famous general trapped in a fairy boat? Why did the saint who restored order leave his hometown? Behind all this is the loss of morality or the distortion of human nature. I put it all in the book and expect you to find your own answers.