A Cautious Fight Against Japan: Backup Space, Send the Invaders to Their Graves!

[Pocket Dimension] + [War of Resistance Against Japan] + [Period] + [Aid Korea] + [Building a Power Base] + [Genius] + [Patriotism] Fang Zhiguo, a Martian, accidentally transmigrates to a parallel world in the midst of an all-out war against Japan, and is terrified from the start. Luckily, a completely wild System comes to his aid. But the System yearns for freedom, so it leaves him a wild starter pack and takes off. Fang Zhiguo is overjoyed with his gift. His life is now secure, and he no longer has to risk everything in a head-on fight with the Japanese invaders... And so begins his many creative ways of taking them out. He gets his father promoted to major general! He supplies the Eighth Route Army with all kinds of goods! He does business and handles logistics... Of course, he doesn't forget to stockpile his very first bucket of gold... When the war ends, he takes his whole family to Forty-Nine City. Later, he heads to Hong Kong and Macau to make money and bring it back to support the country's development...