In the 101st year of the new calendar, a hundred years after the war that spread throughout the Darkness Continent ceased, a small island located in the middle of the mainland's inland sea ushered in a force that could give birth to a new era.

The special forces from the Eastern Kingdom of the mainland, the secret activities of the victorious country a hundred years ago, the native races on the island, mysterious foreign visitors, and the protagonist who crossed the whirlpool and landed on the island alone. As if drawn by an invisible thread, the forces of all parties came to the legendary untouched island, which opened an epoch-making prelude.