On that day, the fog blocked everything. On that day, he became the captain of a ghost ship. On that day, he stepped through the fog and came face to face with a world that had been turned upside down and shattered - a world where the order of the past was gone, where strange visions dominated the endless seas beyond civilization, where isolated city-states and fleets of ships that challenged the sea were the only lights left in the civilized world, and where the shadows of the old days still lurked in the deep waters. The shadows of the old days still linger in the deep, deep sea, waiting to consume this dying world. But for the new captain of the Lost Country, there's only one question he has to consider first—— Who knows how to steer a ship?