During the early period of UC.0123, the Zebra Zone testing team belonging to Anaheim Electronics gets into a confrontation with the elite Dark Tiger force of Crossbone Vanguard. Consequently, the conflict attracts the involvement of the Ajax battleship of EFF and the remaining members of Neo Zeon army.
The Universal Century began when humans migrated to outer space, and in the year UC0079, the Side 3 colonies declared independence as the Principality of Zeon, sparking a war with the Earth Federation. The conflict has been ongoing for almost a year, with intense fighting in the Thunderbolt sector—a region filled with remnants of destroyed warships and space colonies—as the Earth Federation seeks to reclaim Zeon-controlled territory.
Derived from Harutoshi Fukui's original Mobile Suit Gundam UC novels, the prequel manga revolves around the events of the Sengo no Sensō (The Postwar War) short story, featured in the 11th volume. It follows the Neo Zeon remnants' act of capturing the Sinanju Stein mobile suit.
In the distant future, specifically in After Colony 195, Earth is encompassed by orbiting space colonies. The colonists are subjected to harsh mistreatment at the hands of the Earth Alliance, using massive humanoid machines known as "mobile suits" to gain control over them. The perpetrator of this oppression is a clandestine organization referred to as "Oz," which has infiltrated the Alliance's military and lead it down the path of repression. The day has come for the space colonies to launch a counterattack. Five young pilots are entrusted with high-tech mobile suits dubbed "Gundams," and are dispatched to Earth with the intention of conducting guerilla warfare against Oz and the Alliance puppets under their command. The battle to determine the fate of humanity has begun...
In the summer of AC 196, Relena Darlian leads the Earth Sphere Unified Nation's effort towards disarmament. Despite this, the Gundam pilots are concerned about Vulkanus, an OZ manufacturing plant rumored to be filled with Mobile Dolls and lost in space. Meanwhile, the Perfect Peace People organization advocates for more extensive disarmament than even Relena does. To prevent Vulkanus from falling into the wrong hands, the Gundam pilots embark on a mission to locate and destroy it.
Centuries in the future, in the year After Colony 195, Earth is surrounded by orbiting space colonies. The colonists are cruelly oppressed by the Earth Alliance, which uses huge humanoid fighting machines called "mobile suits" to control the populace. Behind this tyranny is the secret society called "Oz," which has infiltrated the Alliance military and steered it towards its repressive course. Now, the space colonies are ready to strike back. Five young pilots, equipped with advanced mobile suits called "Gundams," are sent to Earth to wage guerilla war against Oz and its Alliance puppets. The war to decide humanity's destiny begins... (Source: MU)
The year is U.C. 0079 and the One Year War is coming to an end. Leading the "Hunter of Black Clothes" squadron for the Principality of Zeon is Major Wolfgang, whose black Zaku has served as inspiration for the squad's name. Their atmospheric patrols have caused concern for the Federation, dubbing them as "GM Hunters." It is during a fight against a GM squadron just outside the atmosphere that Wolfgang's fate is sealed.
Universal Century 0079, The Magellan-class battleship Toutatis tracking a Musai-class in its progress towards Side 2 for a preemptive attack following the Duchy of Zeon\'s declaration of war, crash-lands in the Island Iffish colony. What they saw there was a landscape wiped out by poison gas. Eventually, they realize Zeon\'s aim to drop the colony on the Earth. The Toutatis, equipped with a nuclear warhead (hydrogen bomb), attempts to destroy the colony. On the other hand, a Zaku platoon had entered the colony by chance, ordered to subdue and silence dissent among friendly forces.
The One Year War between the Earth Federation and the Principality of Zeon has begun—and the newest Mobile Suits are tested for battle! Captain Matt Healy leads his team into dangerous territory as the leader of a Special Forces Experimental Unit. Ken Bederstadt is a Foreign Legion Lieutenant working in alliance with Zeon. These two heroes are trying to keep everyone alive... for tomorrow!
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.
Master Kazuhisa Kondo comicalizes the world of the popular online game \"Gundam Online\". Prominent MS fight freely on the ground and in space with Kondo\'s hands!
Commander Char Aznable, an ace pilot for Zeon, believed he could thwart the Federation's mobile suit construction by assaulting their research base located on colony Side 7. Unfortunately, he miscalculated. The Federation already had a functioning prototype, which they utilized to counterattack and wreak havoc. In the midst of the chaos, Amuro Ray, a skilled electronics expert, is steadfast in his resolve to prevent his loved ones from perishing due to the conflict. Nevertheless, how can a lone boy fend off invaders equipped with mobile suits?