At This Moment, the World Has Entered the Mecha Era

Back to five years ago, everything hadn't even started yet! Monster invasion? I'll build the mecha three months in advance! Xiong Guo: "What? China bought a lot of steel bars, wood, sea water, coal, and soil?" Black Country: "Does China want to start a war?" Country M: "No one understands war better than me. China is just wasting it!" After three months! Surrounding small countries: "China save me. From now on, our country is willing to become an ally of China!" Countries around the world: "China save me, from now on, I would like to respect China as number one!" This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.