The Anti-Japanese War Began with the Rise of Guerrillas Outside the Customs

Wang Long traveled through time to the Anti-Japanese War and became a staff officer of the Northeast Army with the same name. At this time, the Northeast Army's large forces had already withdrawn into the pass. The Northeast Army stranded outside the pass either surrendered to the enemy and became puppet troops, or fought desperately to resist the Japanese invaders. The anti-Japanese troops under Wang Long were forced to flee into the mountains and forests. After running out of supplies, they had to take the risk to ambush the Japanese and puppet army convoys. They suffered heavy casualties and the entire army fell into despair. At the critical moment, the system awakens.