Poor Guy

Suddenly traveled to ancient times, what should I do if I don't have enough to eat? What, men are about to be beaten, the government has given a beautiful wife, and she must have a child next year? What, foreigners are coming to invade the Central Plains again?... It doesn't matter. If you learn mathematics, physics and chemistry well, you won't be afraid of traveling around the world! *The original cavalry was unstoppable? Is the Japanese pirate ship indestructible? What a joke! This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.