The planet where the story takes place consists of a vast continent surrounded by oceans and islands. Civilizations of various forms are distributed on the planet. The two most powerful countries - the Lidland Federation, which advocates industry and technology, and the Orihakon Empire, which can draw energy from the soul, are locked in a protracted tug of war. Unexpectedly, at a critical moment of the war, a fire broke out in the backyard of the Lidland Federation, and an energy supply device "perpetual core" malfunctioned, causing a quarter of the country's territory to fall into chaos. In order to repair the "Eternal Motion Core", Lidland's engineer Renn embarked on a journey with the assistance of Arya Lin, a diplomat from the Kingdom of Vidaril. However, what Ren didn't know was that a shocking conspiracy was gradually surfacing, and hidden beneath it was a whirlpool that involved all countries...
