The Villainess Is An SS+ Rank Adventurer, Book 6

A shadow looms over the border. To the north, the Loerstadt Gate stands as the Kingdom of Tirea's bastion against the ambitions of the Grand Duchy of Granholtz, and yet its walls shake as attacks within the volatile border region threatens the fragile peace which exists between the two nations. Watched by the eyes of the continent, Juliette Contzen, 3rd Princess and sometimes adventurer, strives forth to secure her kingdom’s borders against the wiles of the Grand Duchess.