At the Beginning of the Siheyuan, Li Yunlong and I Showed Off.

Lu Feng, a science and engineering graduate, is involved in a car accident and travels back to a courtyard house in Peiping during the Anti-Japanese War. Having just escaped from the Japanese prison, he crawled into a hole under the kang in search of food, but accidentally fell into a tunnel connecting the Eighth Route Army base area, and bumped into Li Yunlong and Zhao Gang, who were worried about the damaged Type 38 rifle. Lu Feng, who hated the Japanese invaders, relied on his mechanical expertise to repair the gun mechanisms and recast parts with crude tools from the local blacksmith shop. He restored the combat effectiveness of eight scrap guns in one day, relieving the troops' urgent need to counter-mopping up. Li Yunlong saw that he was courageous, skilled in craftsmanship, and passionate about resisting Japan, so he immediately decided to make a bloody alliance with him. In the war-torn base area, Lu Feng and Li Yunlong became brothers with different surnames. While using modern knowledge to improve weapons and make suggestions, they followed the independent regiment into battle. From then on, we started the super refreshing experience of fighting against Japan during the day and eating delicious food and drinks in the courtyard at night. This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.