"Be on full alert, everyone. The enemy fighters are attacking soon. Prepare all our weapons," commanded Mayor Andi.

Having received the command, all the personnel in charge of the weapons and fortifications behind the main gate finished their preparations, loaded their weapons, and waited silently for the invasion to begin.

From the screen, we could see that three imperial Milky Way–class battleships were hovering far away. Suddenly, the fighter drones launched the first attack without any signal.

Over a hundred fighter drones shot forth, with a few of them unleashing about a dozen guided missiles toward the main gate. The guided missile struck the steel gate, resulting in a massive explosion. However, the gate stood firm, with the few marks on its surface the sole sign that it had just been attacked.

While the fighter drones were attacking, all the rail cannons, laser towers, heavy tanks, and fighters in the city opened fire at the same time. I even saw some foot soldiers madly shooting their rayguns and tracer machine guns from within their bunkers.

The fighter drones were submerged in a deluge of bullets, red laser beams, green artillery shells, and yellow guided missiles. In less than 10...