, let me recommend you a few novels where the male protagonist transmigrated with the system: 1. "Emergency Doctor Mercenary Road": The male protagonist, Lu Fei, transmigrated to a small town in the United States in a parallel universe, became a legal mercenary, and obtained the rescue system. Military-War Fantasy. Complete. 2. "Super Devil System": The male protagonist, Qin Tian, traveled to the Anti-Japanese War period and possessed the Super Devil System. He began a bloody war. Military-War Fantasy. Complete. 3. "The Arrival of the Special Forces Against Japan": The male protagonist, the Special Forces King, traveled to the Anti-Japanese War period to kill the enemy and protect the country. Military-War Fantasy. Complete. I hope you like my recommendation, Mwah ~π