Traveling through 1937, I came to fight against the Kwantung Army

Space system? Single female lead? Independent business? Assist the Anti-Japanese United Army? Critically attack the Japanese! Yin Xinjun traveled to Northeast China in 1937! From this year on, the situation faced by the Northeast Anti-Japanese United Army has been getting worse! However, Yin Xinjun has continued to grow in battle after battle, and cooperated with the Anti-Japanese United Army to bravely resist the Japanese invaders! ...