Source
72
89
89
A War Without Casualties: The Republic of San Magnolia has long been under attack from the neighboring Giadian Empire's army of unmanned drones known as the Legion. After years of painstaking research, the Republic finally developed autonomous drones of their own, turning the one-sided struggle into a war without casualties-or at least, that's what the government claims. In truth, there is no such thing as a bloodless war. Beyond the fortified walls protecting the eighty-five Republic territories lies the "nonexistent" Eighty-Sixth Sector. The young men and women of this forsaken land are branded the Eighty-Six and, stripped of their humanity, pilot the "unmanned" weapons into battle... (Source: Yen Press)
Prequel
Sequel
This manga adapts the "Run Through The Battlefront" story arc, that is compiled on volume 2 and 3 from the original light novel. *Note: The manga was cancelled due to the poor health of the mangaka.*
Spin-off
The battle is taken to the sea of stars! Set on the stage of the "Galactic Navigating Battleship San Magnolia." A special group of people are in charge of the ship's defense. They are the "Eighty-Six", guardian spirits with magical powers of the universe running through them. That is... "Behold," the controller announces her sortie. "Clear the course, Magical Girl (Handler) Regina ☆ Lena, ready for your departure! "Vladilena Milizé, Regina ☆ Lena, Rolling Out!" The battle of the Magical Girl Lena is about to begin...!
Parody
The Republic of San Magnolia is enjoying peaceful days, having not been invaded by the neighboring empire's Legion weapons. This is the story of Shin, Lena, and their friends as normal students attending Eighty-Six Private High School, where they'll partake in club activities, the culture festival, a fireworks festival, and more! A story of heartwarming romance and glorious youth that could never have happened in the original 86 unfolds! (Source: Yen Press)
Parody
Eighty Six anthology by various mangaka.