My Shadow Monarch's System - Chapter 7: The Nature Of Things.

Zhang Beichen downloaded a game called “The Empress of the Warring States Period”. He needs to play the role of a famous minister to help his monarch rule the world and become emperor.

He thought it was an ordinary game. In the game, Zhang Beichen tried his best to make friends with the empress, help her unify the seven kingdoms, and achieve different endings.

Until he woke up, Zhang Beichen discovered that he had actually come to the world in the game, and the magnificent empress in the game was standing in front of him!

The empress looked at Zhang Beichen with a cold and glamorous face, and thought: “He is the servant in the Sims who has made great contributions to me, but is rebellious and wants to marry me?”

- Description from novelbuddy

In the year 241 of the 6th era, Constantinople was in turmoil.Emperor Constantine personally lead his army, which was completely annihilated. The pagan empire, riding on the wave of a great victory, annexed the entire eastern territory of the empire, and its military might pointed directly at the capital.The 17-year-old imperial princess Theodora ascended the throne in crisis, facing what was already a terribly damaged realm.Rome was about to fall.....................The wheels of fate spun wildly as a transmigrator appeared on the streets of Constantinople.“According to the original plot, it was only a matter of time before Constantinople would fall.” he pondered.“Perhaps I should first whisk away the empress.”(The book is categorized under game fantasy worlds, set in a magically altered Middle Ages, and another title is 'I Really Can't Lead This Team')