Great Voyage

203X. Amidst military tensions between Korea and Japan reaching an all-time high over a massive oil field discovered off the coast of Ulleungdo. Finally, an engagement breaks out between the opposing fleets of the two nations. But then, what could it be? After a thunderous roar that seemed to shake the very foundations of heaven and earth, what unfolds before the eyes of the Republic of Korea's 7th Maneuver Fleet is Joseon, on the brink of being forced open! There will be no more annexation of Korea. There will only be the Republic of Korea, commanding the world!