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Kokoro found a strange machine in her basement, as well as a variety of problems to solve!
Seabook Arnou is a mechanic engineer who lives a pacific life within his home colony of Frontier IV, however all of this will change when the "Space Pirates" known as the Crossbone Vanguard will attack Frontier IV in an attempt to take the colony as their home base. Much to his surprise, Arnou will learn that he has strong ties to the conflict, not only his mother has heavy involvement with the Gundam Formula 91 project, but his childhood friend Cecily Fairchild seems to be an important target for the Crossbone Vanguard. Seabook will have no choice other than pilot the Gundam designed by his mother, and attempt to put a stop to this growing conflict.
Frederick F. Brown is a mobile suit trainee in one of Zeon's schools, but always had a hard time keeping up with everyone. Ten months after training hard, he's thrust into actual combat for the first time together with Zeon's declaration of war. He becomes witness to the horrors and atrocities associated with war first hand as he fights to stay alive.
Weiss has one dream and that is to see the sky. The city that he and everyone else lives in has a large and what seems to be a never ending ceiling. With the help of his friend Nero, Weiss plans to one day break through to the top and see the sky that no one has ever seen. On one of their missions, Weiss and Nero meet a mysterious girl in black named Nowall who tells them that there is no sky, but before she can completely explain, she gets abducted by the Black Police, a peace keeping robot squad. Now Weiss and Nero have to rescue Nowall and learn the truth about the sky. What they don’t know is that the truth is way over their heads.