You Invented a Laser Gun, and You're Using It to Kill Mosquitoes?

"What? Eagle Nation has developed an electromagnetic cannon. It's incredibly powerful, and it can even change direction."

"Don't worry. We have antimatter weapons."

Cao Wansheng is an engineering-minded man who likes to tinker with scientific research in his spare time, though none of it is especially impressive. Then one day, he happens upon a spaceship from the future and begins a life of cheat-like advantages. Just as foreign powers start causing trouble in our waters, he can't stand the arrogance of those nations. Determined to strengthen his country, he joins the national defense forces and serves his nation.

This book is super exciting.

This novel and its characters are entirely fictional. Any resemblance to real people or events is purely coincidental. Do not imitate.