Cause and Effect of Reincarnation

Gu Ping came to a strange world from Blue Star because of a black token. He thought that he could achieve great things as a time traveler, but he was slapped in the face by reality time and time again. His highest achievement was just a martial artist. It was not until his old age that he discovered that there were immortal cultivators in this world. Perhaps it was the blessing of God. Gu Ping was reborn in this world when he was nine years old with the memories of his previous life...