"So, you who are confident in your skills!
Why not make your dreams come true through Brutal Ball!"

Nearly three thousand years have passed since humanity expanded into the galaxy,
in the year 54 of the New Star Calendar.

What currently captivates the masses is the luxurious,
cruel yet elegant, wild yet refined arena battle known as Brutal Ball.

Era, a female fighter who plays a supporting role in these battles,
one day encounters a mysterious beauty named Doe.

That blood-soaked, violent meeting
eventually escalates into a massive uproar that engulfs the entire galaxy—