University student Souma is suddenly summoned as a hero to the kingdom of Elfrieden, which is facing a number of crises, both foreign and domestic. Souma confers with the king and prime minister, after which the king makes a stunning announcement.

The results of the talent search are in, and the kingdom holds a recognition and award ceremony for the winners. Five uniquely talented individuals come before Souma to demonstrate their skills, and find a place for themselves within his royal court.

The Three Dukes meet to discuss what to do about King Souma. In Amidonia, Gaius receives word from Georg accepting his aid, and prepares to invade Elfrieden over the objections of his finance minister. Souma delivers his ultimatum to the Three Dukes.

Gaius leads an invasion force from Amidonia into the kingdom and lays siege to the city of Altomura. Meanwhile, in Randel, the Forbidden Army constructs a fort from which they engage Georg's forces, while Red Dragon City receives its own surprise attack.

Souma is victorious in both the Elfrieden civil war and the battle against Amidonia. However, his victory was won as a result of the devotion of a man named Georg. Still, the law is the law, and Souma must pass down a harsh judgment against Georg.

Weathering a number of problems, Souma more or less finishes dealing with the aftermath of the war. However, he was set upon by an inexplicable anxiety, the distress and pressure only felt by those in authority. It was not something he could bear alone.

One evening, Excel whispers to the fiancées Liscia, Aisha, Juna, and Roroa that she will teach them how to please their man, and suddenly commences a "Fiancées' Bridal Course". The secrets of Souma and his fiancées are about to come to light.