Once upon a time there was a mountain, and there was an old man and a young man in the mountain.
One day, the old man drove the young man down the mountain and asked him to search for the so-called Jianghu.
So the young man went down the mountain.
The old man also told the young man that if one day he doesn't want to go back to the mountains, that's when he will truly find the world.
As soon as the young man came down the mountain, he didn't want to go back, so he realized something. (?)
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So this is the story of a young man drifting in the world.
The protagonist has no other attributes except a face. Everyone in the story is an ordinary person but not an ordinary person. They are all people in the world who laugh when they are happy and cry when they are sad.