I, the Immortal, Come with My Own System During the War of Resistance

"Little Life" has been very arrogant recently! ! ! He was originally a chief instructor of the Special Forces and the most dazzling graduate of the National Defense University, but he unexpectedly came to the Anti-Japanese War period because of a mission. Let's see how he uses the body of an immortal to cast the soul of Longyuan, crush the enemy with technology, and rebuild the mountains and rivers with his blood.,,,