The Log Record Of Humanity: The Story Of Exodus

The story of Exodus was that reader found a log record of a human that once was living on Earth. For some reason the narrator was the last person alive on Earth. In order to preserve humanity, he decided to travel to space , carrying all the valuable record of his kind with desperation. And sending the rocket to the next planet that might have some intellectual living creatures that can know the history of human.
The stake of the narrator was that the entire human race went extinct except him. He had to do something to make sure someone or something can remember their existence. In order to do that, he had to survive many hardships such as moving across the world and build the rocket himself. He acted fearsome in the story because he knew