Spy War: From Military Reunion Agent To Kwantung Army Rising Star

[No system + Knife-tip dancer + Online IQ + Patriotism + Decisive killing + Tianpingyang battlefield + Unlucky supplies]
Lin Feng, a modern history college student, woke up and traveled to a parallel world.
In 1939 in Kyoto, Japan, a military spy codenamed "Iron Rooster" was possessed!
The original owner disguised himself as Kobayashi Hoichiro, a returned expatriate, and was treated as an abandoned son by the military commander and thrown to Japan to wait for orders. As a result, he starved to death in a rental house!
In order to survive, Lin Feng was forced to take over this hellish spy life.
Brothers! Kill the Japanese!
Let’s see how Lin Feng relied on his foresight of history to gain power at the heart of the enemy and rise higher and higher!
From the streets of Kyoto to the battlefield of Nomonhan, from the rising star of the Kwantung Army to the "Taijun Kobayashi" in Shanghai...
At the surrender ceremony in 1945, General Kobayashi Hoichiro, the newly promoted commander-in-chief of the dispatch forces in China, picked up the signature pen...