The undercurrent of the new world is surging, and the game between the navy and pirates never stops.
Karen led the Sirius Pirates to hide on an isolated island and concentrate on training, just to accumulate strength and explore the ultimate secret of the ancient kingdom and the blank century.
From fighting off wandering pirates to discovering ancient ruins, what was thought to be a hidden place of practice cannot escape the prying eyes of the outside world.
The breath of the King's Crystal has attracted pursuers, the ruins are about to collapse, and encirclement and suppression are close at hand.
With partners, faith, strength, and secret treasures, they persevere in desperate situations, grow in battle, and step by step get closer to the truth buried by history.
At the end of the sea, the era of Sirius has just begun.
