I'm a pure and innocent boy, how did I end up becoming the King of Ryukyu?

[Real-world Game] [Kingdom Game] [Offering Loyalty to the Celestial Empire] Reborn on a poor island in Okinawa Prefecture, Zheng Yi studies diligently. Even though he refuses to take history and geography exams, he still enters the National University of the Ryukyu with impressive scores, becoming a pure-hearted male student. He knows his life is destined to be great, but he never imagined it would be this great. The game system arrives late. So fast forward to: Restoring the glory of Ryukyu and offering tribute to the Celestial Empire is our inescapable duty!