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After a mysterious earthquake levels Tokyo, Genom becomes a powerful influence providing their artificial organic lifeforms called Boomers to rebuild and act as a labor class to humanity. However, some of them occasionally run amok, and even the specially created AD Police are at a loss to stop them. Lina Yamazaki travels to Tokyo for employment bu… more After a mysterious earthquake levels Tokyo, Genom becomes a powerful influence providing their artificial organic lifeforms called Boomers to rebuild and act as a labor class to humanity. However, some of them occasionally run amok, and even the specially created AD Police are at a loss to stop them. Lina Yamazaki travels to Tokyo for employment but also hopes to join a vigilante force called the Knight Sabers, who pilot powered suits to destroy these rogue Boomers.

In the near future, Tokyo was left flattened as a result from a great earthquake. A new city, MegaTokyo, was then recreated due in no small part from the aid of a multi-million dollar company, Genom Corp. Genom created and mass-produced biomechanical creatures called Boomers to aid in the restoration of MegaTokyo. When the Boomers began to run out of control, the ADPolice at first tried to stop them, but they proved to be far more difficult to deal with than was first imagined. Under the ever looming Boomer threat, a group of four girls from varying degrees of society banded together. Calling themselves The Knight Sabers, they were the only ones with enough firepower and resourcefulness to defend the fledgling MegaTokyo from Genom and its berserk Boomers.

The saga of the Knight Sabers continues as the group tries to find out who or what is behind the recent string of robberies, murders, and Boomer malfunctions which are somehow related to the creation of an advanced artificial intelligence. Furthermore, it seems that the Knight Sabers may be breaking up.

In a Tokyo where gravity has broken, a boy and a girl are drawn to each other... The story is set in Tokyo, after bubbles that broke the laws of gravity rained down upon the world. Cut off from the outside world, Tokyo has become a playground for a group of young people who have lost their families, acting as a battlefield for parkour team battles as they leap from building to building. Hibiki, a young ace known for his dangerous play style, makes a reckless move one day and plummets into the gravity-bending sea. His life is saved by Uta, a girl with mysterious powers. The pair then hear a unique sound audible only to them. Why did Uta appear before Hibiki? Their encounter leads to a revelation that will change the world.