An unexpected experience allowed the unlucky protagonist to obtain an alien combat aid. High-end civilization, advanced technology, and ordinary life have become sturdy. Copy everything you have come into contact with, guns, tanks, missiles... There are more advanced technologies waiting for him, laser weapons, particle weapons, individual battle armor, spaceships... It is only a matter of time before he dominates the world! Yes, sharpened, soy sauce, please give me a recommendation!! By the way, let’s also add a favorite ^^