In the midst of the Universal Century’s raging One Year War, there is a shadowy unit that purges the Federation of wrongdoers! The long-awaited first volume of the manga adaptation of the Mobile Suit Gundam Gaiden Missing Link from the popular game "Mobile Suit Gundam Side Stories" by Namco Bandai Games!
Yuu Kajima is a soldier with the Earth Federation Forces during the One Year War, testing new technology before it\'s mass-produced. During a routine battle, he and his teammates come under attack from a mysterious blue Mobile Suit that attacks like a monster, barely escaping with their lives. Returning to base, Yuu is assigned to pilot that same machine - Blue Destiny. As he uses his new machine and clashes with Zeon ace Nimbus Schterzen, Yuu learns that there may be more to the enigmatic Blue Destiny and its EXAM System than he previously thought.
Universal Century 0096. Several months have passed since the incident surrounding Laplace's box also known as 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 an incident they never imagined.
In U.C. 0096, a ceremony to commemorate the end of the One Year War is held in Side 7. The Aonbarr, built to resemble the famous White Base is present at the ceremony, having transported junior high school students from Earth for the ceremony. Sun Place, one of the students who quickly becomes bored with the ceremony, enters a restricted access area, and encounters the three MS built for the ceremony, the G-First, Cannongan, and GF-Tank. At the same time, Zeon remnants on the Musai-class "Mailmer" attack, hoping to secure the Aonbharr as a trophy and join the Neo Zeon remnants known as "The Sleeves".
Haman Khan\'s sister stands up for her country! In January 0089 of the Universal Century, Neo Zeon is defeated by AEUG in the final battle. Defeated by the ZZ Gundam, Haman Karn is killed in battle, and the remaining Neo Zeon warriors decide to fight in mourning. In order to counter the one-sided attack, Serana Khan, Haman Khan\'s sister, makes a sortie with the NT exclusive MS prototype Demartell. The secret story of the birth of the fake Haman Karn from \"Mobile Suit Gundam Valpurgis\" and the story of the birth of Over.On, which has never been told before, will be depicted!
Universal Century 0089. Mashiro Oaks is a high school student on Side 2 Colony "Olympus." He gets the high score on a game titled "Walpurgis Night" and, by distributing the video on an underground network, he gets noticed. The tagline reads, "Young Man, defy your cursed fate!!"
U.C. 0087, amidst the three-way conflict between the Titans, the AEUG and Axis Zeon, the Titans ship Hecate, carrying a new prototype Gundam, finds itself adrift in space after an attack by the AEUG damaged the ship\'s propulsion system. While the Hecate was stranded in space, most of the ship\'s crew would succumb to the murder spree of a so-called \"wearwolf\".