Of course, there was! I recommend the following novels for you: 1. [Return of the Soldier King: The protagonist is the Soldier King who returns to the city and experiences many secret agents and spy wars.] 2. " On the Blade ": The story of a German intelligence talent who was called a traitor by his countrymen. 3. " The Strongest Agent Student ": The protagonist uses his secret agent knowledge to create a new legend in his university days. 4. The Strongest Agent: Master Leng, Enough! It was the story of a girl who came from a family of secret agents but had to live an ordinary life on campus. 5. " New Agent Student ": The story of an agent reborn back to 18 years old, replaying the legend of a top agent. I hope you like my recommendation.π