Arthur, the second son of Duke Albert, is expelled from the Royal Fleet for refusing corrupt political deals. His cold-blooded father publicly strips him of his family crest and casts him out. Mocked as a useless failure by his elder brother and shamed by his younger sibling, Arthur is abandoned by his entire family. No one knows this disgraced noble now harbors the soul of an elite modern Navy SEAL engineer. Armed with advanced knowledge of firearms, chemical engineering, and special combat skills, he plans to dominate this age of maritime exploration with dimensional superiority. By chance, he rescues the empire’s stunning princess from an assassination attempt. Facing her fatal aphrodisiac poison and closing assassins, Arthur strikes without mercy. He crushes the Royal Fleet’s pride with futuristic weaponry and flattens the ducal castle with unstoppable iron warships. His arrogant father and brothers end up trembling on their knees in the ruins. Arthur delivers his cold verdict: “This worthless family glory? Now you are not even worthy of gazing at it.”