The fjord, the calm sea, reflected the leaden clouds in the sky, and flocks of ravens circled back and forth, indicating that a biting cold wind was about to blow south. This is the first scene that the protagonist sees when he travels to Northern Europe in the 9th century AD. He becomes an ordinary self-taught farmer who has only a barren and abandoned wheat field. For hundreds of years, the glory of the Roman Empire crumbled to dust, the world fell apart, and kings fought each other. In this turbulent and dark Middle Ages, his first task is to survive, and then find a way to put an end to this chaotic world...