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." Who has been told to "not try" from his father as long as he knew, not on tests, or even games, until one day, a Neo Zeon group attack, led by a woman who calls herself Haman Karn, who had died months before, and at the same time a white The O appears, confusing both sides, the injured pilot of which calling Mashiro "Master Paptimus".

During the early 20th century, along with technological advancements, scientists were able to develop sophisticated magic. The combination of science and sorcery was Makinot, circuits made from spells that were put into objects to bring them to life and even gain a personality. It was developed as a military weapon and has now spread throughout the world. Akabane Raishin is now attending the Royal Academy to become the best in the world. Accompanied by the lovely teenage girl Yaya, who is actually Raishin’s puppet weapon, he plans on rocketing to the top of the class. However, his test scores come nearly dead last although his combat skills and determination are second to none. Raishin has to compete with the most deadliest of classmates if he wants to come out as the king.