The War of Resistance Developed Independently and I Became a Teacher.

In an accident, the protagonist Mu Yu traveled to the Anti-Japanese War period , became Li Yunlong's squad leader, and discovered that Li Yunlong was still a battalion commander at this time, and the system awakened at this time. This is China's most difficult era, and this is also the era of China's rise. ..., I can't make it up anymore, haha. In fact, I just accidentally went to the wrong set, and then used the familiar process to shake up history bit by bit. This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.