Somewhere on Earth in a universe on another plane, there was a bustling metropolis filled with towering steel buildings. Spaceships of all sizes and personal autonomous aircraft hovered and flew through the atmosphere.
From a high vantage point or aboard an airborne vehicle, one could look out over blue skies, white clouds, lush greenery, fertile fields, and hear the faint songs of birds and smell flowers in bloom. Humanity and nature lived in harmony, complementing each other.
It was clear that this world was not only technologically advanced, but also did an exceptionally good job of protecting the environment. Here, technology and nature developed sustainably side by side. No one blindly or excessively damaged nature and the ecosystem in the name of technological progress.
However...
In an office on one of the floors atop a vast building complex in the city, an old man in the uniform of a senior Planetary Alliance officer wasn't standing before the floor-to-ceiling windows, sipping coffee and admiring the beautiful cityscape as he usually did. Instead, he was frowning at a holographic document that had just been urgently forwarded to him.
After hurriedly reading through it and realizing how serious the situation was, he thought for a moment, then quickly went to sit behind his desk and set down the portable terminal that had transmitted the file. He rapidly worked at the desk, soon connecting to several channels through an encrypted internal network and waiting for someone to answer.
A closer look at the badge on the wall behind him and the insignia on his shoulders would have made it clear who he was: none other than the commander-in-chief of this world's "Planetary Alliance"!
And this was the Planetary Alliance commander's office.
The reason he was acting this way was that he had just received