A new nation, the Kingdom of Friedonia, is born and Souma becomes its new king. He broadcasts an educational program and is gradually working towards the enlightenment of his people when he makes a visit to Lagoon City, a city on the water which is ruled by Excel who has been appointed the Supreme Commander of the National Defense Force. There he finds Castor, the former General of the Air Force who Souma once defeated, waiting for him. When Castor becomes suspicious about his sudden visit, Souma reveals the National Defense Force's top secret project?! "You… What in the world have you created…?" When Castor is struck dumb by the unimaginable sight he witnesses, what will the order...
With the subjugation of the Principality of Amidonia accomplished, Souma, the provisional king, begins the post-war cleanup process with his next move, Project Lorelei. It is an entertainment program that uses the Jewel Voice Broadcast. It was originally only thought that this program would amuse the people of the Kingdom, but it is being broadcast in occupied Van, too. What does Souma hope to accomplish with that…?! Then, when Souma takes some time off to rest in the capital of Amidonia, Van, with Juna and Tomoe, he encounters Jeanne Euphoria, the younger sister of the Empress of the Gran Chaos Empire. What sort of "negotiation" does the "realistic" Jeanne, who supports her idealistic...
After the war with the Principality of Amidonia comes to a close, provisional king Souma receives an unexpected message. It's a request for annexation from his former enemies in the Principality. Facing a civil war and an invasion by other countries, the Principality now needs the Elfrieden Kingdom's strength in order to fight back. Souma agrees to the annexation and summons those who play an important role in the defense of the Principality to Van for an awards ceremony, but the Princess of the Principality, Roroa, is hiding in with the mountain of gifts they give him?!
When Souma Kazuya was summoned to another world to become a hero, he didn't go on an adventure, he became the king of Elfrieden and took to governing instead. Using knowledge from his old world, Souma began to push forward reforms every day, but eventually there came a time when he would have to face the general of the army, Georg Carmine, who refused to soften his rebellious stance. When the plans of the neighboring Principality of Amidonia get involved, things move from the political arena to the military one. "Now, let the subjugation war begin!" Will Souma be able to safely bring this war to a conclusion?! This amazing transferred-to-another-world internal-politics fantasy...
"O, Hero!" With that cliched line, Kazuya Souma found himself summoned to another world and his adventure-did not begin. After he presents his plan to strengthen the country economically and militarily, the king cedes the throne to him and Souma finds himself saddled with ruling the nation! What's more, he's betrothed to the king's daughter now…?! In order to get the country back on its feet, Souma calls the wise, the talented, and the gifted to his side. Five people gather before the newly crowned Souma. Just what are the many talents and abilities they possess…?! What path will his outlook as a realist take Souma and the people of his country down? A revolutionary...