Souma receives an invitation for the Great Martial Arts Tournament in Zem, which he has no intention of accepting. That is, until he hears reports that the daughter of the former General of the Army will be participating?!

My retainers are my strength. With a massive number of monsters appearing in a "Demon Wave," the group of small to medium-sized countries known as the Union of Eastern Nations faces a crisis. During a conference with Empress Maria of the Gran Chaos Empire, Souma is asked to dispatch reinforcements to the union. The place Souma sends those troops to is the Kingdom of Lastania. Which is where a former foe, the crown prince Souma once drove from the Principality of Amidonia, Julius, is putting up a hard fight as a visiting general...?! And so, standing shoulder-to-shoulder with Julius, Souma uses his retainers' strength in an operation to save Lastania!The revolutionary administrative fantasy series, volume eight!

With the blessings of his people, Souma has concluded his coronation and wedding ceremony. Now his little sister, Tomoe, is heading to her first day of school at the Royal Academy. As she takes her initial step through the gates, she's greeted with..."Oh! Hey! Isn't that Lady Tomoe over there?!""Despite being a refugee, she was adopted by the former royal couple because of her gift...""That means she's incredibly talented, right?"Ever since Souma's "if you have a gift" speech, the academy has turned from classism to meritocracy, and Tomoe, whose gift has been recognized by Souma himself, is drawing a lot of attention...?!Here comes Volume 11 of the revolutionary, administrative, fantasy series!

With Princess Shabon on his side and a naval fleet en route to the Nine-Head Dragon Archipelago Union, Souma sets out to gather information within the enemy islands. But what he finds in the water is a monster that defies all common sense?!

Two years have passed since the Spirit King's Curse shook the world. In this time, Souma and the Kingdom of Friedonia have been preparing for an impending period of unprecedented chaos.However, the Kingdom was not the only country to burgeon over the two years. Fuuga has been expanding the border of his Great Tiger Kingdom of Haan as well. Following the acquisition of the Lunarian Orthodox Papal State, Fuuga sought to bring the Mercenary State Zem under his control. Now, having gained such powerful forces, he declares war on mankind's greatest nation—the Gran Chaos Empire.With this move, an agonizing question now hangs in the air: should the Kingdom abandon the Empire, their ally, to avoid conflict with the great Fuuga Haan?The cruel war begins in volume sixteen of the revolutionary administrative fantasy series!

"Starting today, I will formally become the king of this Kingdom of Friedonia."Having returned from the Union of Eastern Nations and rested awhile, the ceremony that will turn Souma from a provisional king to the true king is rapidly approaching. Because Souma's marriage to his fiancées is to be held on the same day, the capital gets more lively than ever!Meanwhile, using his own marriage as an impetus, Souma encourages his retainers to get married, too. Those who are already engaged to be married, those who aren't ready to be husband and wife yet, those who haven't even recognized their own love—Souma shows concern for all his retainers' different circumstances...The revolutionary administrative fantasy series, volume ten!"

While Souma gains favor in the Kingdom, Fuuga, King of Malmkitan, expands his influence within the Union of Eastern Nations. This sparks a conflagration, drawing in all nations of the Union. As the conflict ends, a new world stage is set forth.

Souma, who has come to the Union of Eastern Nations to deal with the demon wave, pushes east toward the intense fighting in the Duchy of Chima. Duke Chima has been gathering reinforcements with a promise to reward those who distinguish themselves in battle by presenting them with one of his six capable children, but the battle has reached a stalemate.En route to the Duchy of Chima, Souma meets the king of the nomadic state of Malmkhitan. As they travel together, Souma learns Fuuga is also there to support the Duchy of Chima. But for Fuuga, who is aiming to be the top contributor to the war effort, Souma is an enemy competing with him for one of the six brothers and sisters.When faced with Fuuga's shocking power, how will Souma handle it?!The revolutionary administrative fantasy series, volume nine!