MOBILE SUIT GUNDAM RG XARX-ZERO

Thanks to three blessings brought from outside the solar system, humanity experienced unprecedented prosperity and expanded its territory throughout the entire solar system.

Gravity control, faster-than-light communication, and the materialization technology of images—the interstellar travel-capable object that brought these three blessings, however, went out of control less than 10 years after its discovery, giving rise to an aggressive, self-replicating system.
People associated this unknown ecosystem with the apocalypse.

After three months of fighting, the battle lines became deadlocked in satellite orbit. Humanity was forced to abandon Earth, and this year was recorded as the first year of the After Apocalypse (AA).

In AA45, children born on the moon and in colonies have come to live with the existence of the Apocalypse as a part of their daily lives.
On the moon, a young boy named Azumi Rei awakens.