Spin-off: Saving Private Ade_4

Sicape nodded, she certainly knew that it was no longer the savage era of past; many regulations and details had long been formalized.

This was the fundamental reason why Invokers received support from various countries.

In the mid-21st century, humans retrieved 'Element Type II' from the Starlight Material found in the hast042 area of the asteroid belt, a remnant of high-dimensional universe information. It was through the exploration of Element Type II that a series of messages from the high-dimensional universe were finally decoded—in fact, people later discovered it was a complete set of blueprints.

That was the origin of the Everglow Star Gate.