Set 3 years after the events of Char's Counterattack, a young man is caught in a deadly conflict between the Earth Federation and Terrorist Organization "The Sleeved" as they battle for an object that is said to have changed the course of Human history. The title page of the first chapter announces "A new story different from the anime and novelization is born!"
The prequel manga is based on the Sengo no Sensou (The Postwar War) short story that appears in the 11th volume of Harutoshi Fukui's original Mobile Suit Gundam UC novels. The story centers on the Neo Zeon remnants' hijacking of the Sinanju Stein mobile suit. (Source: Anime News Network, edited)
Universal Century 0096. Several months have passed since the incident surrounding Laplace’s box also known as the the Universal Century Charter. The Earth Federation Forces dispatches a group of investigators to the severed Axis which is drifting outside the Earth Sphere. Two civilians participate as members of the research group: Arlette Almage and Danton Hyleg. Both have pasts with government service to the Principality of Zeon and Neo Zeon as an engineer and test pilot. Having infiltrated Axis, the investigators come under attack inside a base where no one should be. Arlette and Dalton are confronted with by incident they never imagined.
An explosive new serialization! A new story that differs from the movie and novel comes alive! The destination of the Newtype myth! The curtain rises on a never seen before story of Gundam Narrative from the tag team of Harutoshi Fukui and Kouzoh Ohmori!! (Source: Zeonic Republic)
The manga centers on the "return" of the character Riddhe Marcenas from the Mobile Suit Gundam Unicorn light novel and OVA series.
A side story of "Mobile Suit Gundam Unicorn". It takes the form of a documentary program "E.F.F.: Piece of the Star Moon", a propaganda program of the Earth Federation Forces, introducing the war deeds of some Federation pilots and revealing unknown facts about them.
Rugged soldiers mourning on Earth and in outer space. The UC world’s MSV story begins! The development of Federation Forces mobile suits hidden in the shadows of war...
U.C. 0096. As the conflict between the Earth Federation Forces and the Neo Zeon remnants, known as the Laplace Incident, draws to a close, a new mission is given to the unofficial mercenary unit Argent Keel, which undertakes missions for both the Federation and Zeon alike: the assassination of a high-ranking Federation official. It was by no means a major operation. However, this job shakes up the existence of Argent Keel, which has remained silent for a long time, and unearths the truth that has been hidden as an illusion.

