1833, University of Berlin. Lindenwan looked at the cold and arrogant lady before him. She had long, smooth golden hair, a beautiful face, and ample breasts. The short skirt and over-the-knee boots complemented each other perfectly, and her absolute beauty was truly eye-catching. Her name tag read: "Anna von Bismarck." She said: "The major issues of the contemporary era cannot be solved by speeches and resolutions, but only by iron and blood." This book is also known as "Welcome to 19th Century Europe, where strength is supreme", "A Little Affair About My Chancellor and Queen's Palace Fight", "Miss Bismarck Wants Me to Obey? Politicians' Power Wars~", "My Youthful Governance Story Is Wrong, Sure Enough", "RE: Life in Prussia from Zero", "A Certain Scientific Teutonic Knights", "German War Chronicle", "Raising Poland", "Green Luo Ecstasy", "Today's Ru Hair", "Global Dog Collection: The Great Ying Empire", and "The Land of Sand Sculpture Goose"

By 1204, the Byzantine Empire had crumbled, and its sole heirs, Nicaea, Epirus, and Trebizond, were still embroiled in infighting, completely forgetting their past grievances. In Constantinople, the Latin tyrant proclaimed himself emperor of the Romans, while in the north, the Bulgars were rampaging, greedily devouring the empire's legacy, and the Turks were also stirring, eager to gnaw at its flesh. Meanwhile, in the far east, a latent force, the Mongols, was quietly rising. The empire's collapse seemed utterly irreversible, but how would Justinian reverse the tide and raise the banner of revival once more?