Traveling to the Earth and Stars: I Became the Spy King Behind the Scenes of the Military Intelligence Agency

Xu Chang'an, a young man from Earth, traveled to an Earth-planet world that was highly similar to Earth's history, and became an ordinary agent of the Military Intelligence Bureau of the Daqian Empire, which was invaded by the Sakura Empire. He lurked behind enemy lines and was surrounded by dangers. When he was on the verge of death, he accidentally activated the King of Spies system, and used outstanding agents recruited from the system to gradually build a powerful and secretive intelligence network behind enemy lines. He grew from an ordinary agent to an ace agent of the Military Intelligence Agency, and was called the King of Spies by countless intelligence officers... This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.