Anti-Japanese War: the Army of Dragon and Tiger Will Win Every Battle!

By chance, Zhang Hao traveled back to the Dark Sword Period, the darkest era, and awakened the Military God System! Textbook-level command, inserting behind enemy lines, moving tigers away from mountains, encircling points for reinforcements, lightning tactics, and all kinds of strange moves, all attacks are invincible! The battle is invincible! Li Yunlong: Who says that Brother Zhang is not good at fighting? I, Old Li, are the first to refuse. Old Li and I are like a new recruit in front of him! Chu Yunfei: If you don't fight, seeing Brother Zhang is like a frog in a well looking at the moon in the sky. If you fight, seeing Brother Zhang is like a floating grain in the sky! Since then, there has been a legend in this world, an invincible legend!