The Long River of War

He was originally the most famous trader in the 21st century, but accidentally traveled through time and space. The twenty-seventh year of the Qiong'an Kingdom's great war. General Yang Jinzhong has two sons: one is the legitimate son of the wife of the wife of the family, and the other is the illegitimate son of his sweetheart outside the mansion. This illegitimate son was able to write at the age of three and write poetry at the age of five. He was smart and witty, outstanding, and had a photographic memory of the martial arts and mental techniques he had learned. ——Oh, the next step is for the protagonist to change the world and guide the country? ——You made a mistake, the protagonist is the unlucky legitimate son. ※※※※※※※※※※ The story is quite good, I tried to finish it. Intention: Counterattack and self-improvement