★★★★★
Yu Zhengan traveled through the Songhu battlefield in August of the 26th year of the Republic of China, and unlocked the [Cow and Horse System] at the beginning. Each time, he must complete the tasks assigned to him by the leader to receive rewards. . . .
As long as you are willing to endure hardship, there will be endless hardships. Come on, Oli will give you.
This is a good business war plus espionage novel.