My Savior of the Earth

Ten days later, advanced civilization invades the earth! Sumu led the Qin State and devoted all the efforts of the country to vigorously develop science and technology. Dual-core powered aircraft carrier! Super-light high-energy particle cannon! A giant mecha hundreds of meters high! Power Rangers Serum! Warp engine fighter! All technologies that only exist in science fiction movies have come to the real world. He wants to make Earth's civilization achieve leapfrog progress within ten days until it can rival the invasion of advanced civilization!