I recommend the following novels to you: "Spy Battle in Shanghai,""Battle of the Masters,""Dark Red Spy,""Secret Service Queen,""Secret Service Rookie,""Phantom Spy,""The Strongest Secret Service Student,""Anti-Japanese Ace Secret Service,""Supernatural Secret Service in the City,""Ace Secret Service: The Flirtatious Queen,""The Strongest Secret Service: Master Leng, Enough!" I hope you like this fairy's recommendation. Muah ~😗