"Three years ago, something happened in the Midstar Army. Because of that incident, everyone in the Midstar Army suspected that the empire might have even more secrets and that we might be guarding a terrifying slaughter factory instead of the so-called operation to harness energy," said Commander Herbert.

Everyone gathered around the commander and listened silently.

Herbert paused slightly, glanced at everyone, and continued, "A soldier named Dirk, who was in the Maintenance Brigade of the 80th Fleet in the 15th Legion, was in charge of piloting the maintenance ships to perform maintenance work on the space fortress's light transmitters. The transmitters are the cubes you saw.

"One day, Dirk went out on a normal maintenance route. Each maintenance staff pilots a maintenance shuttle alone and performs the maintenance work through their ship's mechanical arms. Those shuttles are not equipped with any offensive capabilities....