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)

A Gundam Memorial from the point of view of Bright Noah, a man who has watched numerous Gundam pilots and Newtypes! What did Bright feel when he saw Amuro, Kamille, and Judau?

2003 4koma anthology based on the videogame, "Shin Megami Tensei III: Nocturne."

A new Zeon unit is formed to break the deadlock in which the Principality of Zeon is with the Earth Federation during the One Year War. The commander of which is a left handed former soccer player from Side 3.

In 1981, Osamu was obsessed with the popular "Gundam" series. One day, he stealthily takes his older brother's Gundam plastic models and, while playing with them, hears a mysterious voice call out to him. The person in question was Amuro Ray himself who appeared as he was in the anime...!?? (Source: Kadokawa, translated)

The Axis, which was supposed to have been struck by Camille, is still alive! Our new hero, Judau Ashta, gets into the super mobile suit "ZZ Gundam" and fights against them!

A prequel to Kidou Senshi Gundam Valpurgis

Universal Century 0079. The One Year War, which started with the Principality of Zeon's declaration of war, took the largest toll in human history. Their first step, in particular, was a colony drop, which brought unprecedented damage to the Earth and in an instant, resulted in the death of half of mankind. This story depicts the road to recovery of a ravaged land, the hardest hit area of Australia: Ground Zero for the colony drop. *Includes chapter 0.*

It is the year After Colony 195, and war between the Space Colonies and Earth has begun. To give the colonies an edge, they send 5 young soldiers, trained to perfection, to earth in the most powerful of Mobile Suits-Gundams. With their arrival, the tide of the war changes as they battle against the Earth forces and the Colonies of their origin. (Source: Anime News Network)

Our protagonist, who goes almost unnamed, except when he's called "Ka-bou" by his childhood friend, finally meets the girl of his dreams, Kanda Asuka, and confesses to her the very next moment. Oddly enough, she warns him that nothing but despair will fall upon him, but he doesn't care about this fact. Amazed by the protagonist's confidence, Asuka accepts his confession, but under one condition: To change the inevitable future that she's able to foretell. With rumors that she is the Lapis Witch, Asuka has the Pandora Box ability to foretell the dark future. To change the future, will our protagonist be able to accomplish this tall hurdle? Will he even take a step closer to finding romance with his new "girlfriend"? (Source: MangaHelpers)

Because his friends fired a rocket into the US Army camp, Suzuki was wanted by the US Army and the police. While he was running away the sea surface suddenly rose, and when a brilliant light appeared he saw a strange looking battleship flying in the air. He was dumped into the sea and when he crawled onto the battleship there was a beautiful girl standing there. She said her name was Luxe, the princess of another world, and added; “My Father is Japanese, Shinjiro Sakomizu. Please help me, Suzuki”.