Tomino made this one for people who wanted to understand how a Gundam world actually works, not just watch it burn. The mechanical design philosophy is so specific, every Mobile Suit exists to solve a real problem in this particular conflict, that you're constantly reverse-engineering the politics from the hardware. By the time you realize the story is about institutional power masked as spiritual authority, the show has already committed you to caring about a kid caught between two sides that both think they're protecting humanity from the same invisible threat.
A thousand years into humanity's future, the Regild Century has brought stability through the Capital Tower, an orbital elevator feeding clean energy to Earth below. Bellri Zenam trains as a Capital Guard soldier, tasked with protecting this pillar of civilization, until an unknown mobile suit called the G-Self breaches their defenses with technology no faction should possess. Forced into combat aboard a maintenance mecha, Bellri captures the G-Self's pilot, only to find himself caught between competing powers all claiming the mysterious mobile suit as their own. As he's drawn deeper into conflict, Bellri discovers the machine responds to him alone, triggering questions about his origins and what the G-Self truly represents. What follows is a escalating war across Earth and space, where each faction seeks control of the tower and the secrets buried in its past. Bellri must navigate political intrigue, shifting loyalties, and the machine's growing influence on his mind. The show blends large-scale mecha combat with a mystery that unravels humanity's real history, asking whether the peace everyone believes in actually exists.