Spy game? Stop guessing, I really am an undercover agent!

[Espionage + Resource Trading + Global Gameplay + Top-Tier Thrilling Novel]
Chen Yang, an agent with multiple identities, was ordered to infiltrate the Japanese puppet regime to provide assistance to China's resistance against Japan.
To better conceal his activities, Chen Yang wove a large network through the trading of supplies, so that even if he openly traded with various forces, no one would suspect anything was wrong with him.
Military Intelligence Bureau: "Chen Yang is our undercover agent."
Japanese Army: "Ha, a clumsy attempt to sow discord."
Red Team: "Is Chen Yang actually one of ours?"
Japanese Navy: "Mr. Chen, is there something you can't say? It's alright, just tell us. We can help you."
Chen Yang: "Please, don't just throw a yellow shirt on me like that. You guessed it, I really am an undercover agent."
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Novel keywords: Espionage, Stop Guessing, I'm Really an Undercover Agent (no pop-ups), Espionage, Stop Guessing, I'm Really an Undercover Agent (full text download), Espionage, Stop Guessing, I'm Really an Undercover Agent (latest chapter reading)