Anti-Japanese War: a Weakling on the Surface, the God of Intelligence Behind the Scenes

"Lin Yan, you disobeyed me again! You agreed to provide cover, but how did you wipe out the entire Japanese army?!" Faced with the brigade commander's roar, Lin Yan silently handed over a codebook of the highest level of the Japanese and puppet forces, as well as ten trucks of penicillin and 38 caps. The brigade commander's face changed instantly: "Oh, you are such a genius! Where did you get the code book?" Lin Yan: "I said I picked it up while wandering around with my eyes closed. Do you believe it?" Travel through the Anti-Japanese War era and awaken the [Full Map Vision System]. Enemy firepower deployment? The system is clearly marked, so you can directly bypass it and steal your home! Enemy undercover list? With a bright red name above his head and blinding his eyes, he directly shot the traitorous security officer at the beginning! Unknowingly, Lin Yan, who was extremely afraid of death, became a hot-tempered, invincible "god of super intelligence" and "god of iron-blooded war" in the eyes of everyone, even boss Dai and the Japanese generals were frightened!