I Touch the Corpse at the Beginning and I Become the King of Spy Wars

Traveling through the Republic of China and becoming cannon fodder for the military, he was betrayed by his boss at the beginning and found himself in a desperate situation? Chen Mo: Don't panic, it's not a big problem. Bite! [God-level entry synthesis system] Awakening! Touch the bodies of sacrificed teammates... [Ding! Congratulations to the host for getting a new entry: Basic Marksmanship (White)] Touch the dying Japanese soldier again... [Ding! Congratulations to the host for getting a new entry: fierce (white)] Enough! [Synthesis station, start! [Basic Marksmanship] + [Ferocious] = [Deadly Marksmanship (Green)]! In an instant, Chen Mo transformed from a rookie who was at the mercy of others to a cold-blooded killer with gunshots and headshots! All enemies in the field will be wiped out within one minute! What? Is the boss a mole, codenamed "Shadow"? [Close words and disguise] + [Insight into details] = [Perfect perjury (blue)]! I'll dig a hole for you with my backhand and let you jump in! What? Is Japan's super high school setting up a dragnet? [Proficient in Japanese] + [Swordsman] + [Noble Etiquette] = [Disguise: Imperial Major (Purple)]! I will penetrate directly into your heart and steal all your wealth! This is the story of a little cannon fodder who, relying on infinitely synthesized entries, gradually became the invincible [King of Spies] who made all enemies fearful!