During the Anti-Japanese War, I Saved the Country Through Curves Abroad

The protagonist travels through the 1930s, but unexpectedly becomes a white man, the son of an engineering factory director who is about to go bankrupt. After accepting the sadness, the protagonist awakens to the curve system to save the country, and starts to take control of the instant noodles. After accumulating a certain strength, he starts to save the country through curves, helping the cutest people, and at the same time making himself stronger. Darkness makes him brighter.