Dante Locke, the legendary hero who retired from the battlefield, is now working incognito as a ship garbage cleaner at the Seventh Harbor, just to ensure the safe growth of his daughter Tessa. At the fleet celebration, he was publicly humiliated by his privileged siblings, and his daughter was also embarrassed due to his lowly status. With the exposure of the old battlefield legend of the identity of the "Black Demon", all bullies began to fear, and ten years ago, the treason conspiracy behind the Kuroshio Campaign also dragged the father and daughter back into the military port storm.
