Games have invaded reality, monsters are rampant, and dungeons, secret realms, and abysses are scattered all over the world.

In order to resist monsters, humanity has officially entered an era of full-scale job change.

Li Kang, who turned eighteen, successfully transitioned into a mechanic.

Ironclad armor, electromagnetic cannons, particle cannons, electromagnetic shields, drones, black holes, Gundams, star destroyers, and billions of mechanical machines in the mechanical space.

From this point on, one person became one nation, ushering in the mechanical age.