Overlord's Exchange System

Su Fei traveled to the Republic of China period on a parallel planet. After the little devils captured the three northeastern provinces. ... In order to cover the evacuation of himself and the people, my father led 50 Northeastern troops to stay and stop the Japanese army. After his father died in battle, Su Fei activated the legendary system, the exchange system, and the road to hegemony began. Congratulations to the host for redeeming a junior army clone. Congratulations to the host for redeeming 500 Mauser rifles. Congratulations to the host for redeeming a set of military uniforms. Congratulations to the host for redeeming the Maxim heavy machine gun. ... This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.