In the aftermath of war, society has emerged reborn with cybernetically enhanced combatants competing for renown and wealth. The 19th century marks the dawning of a new era known as the Rebirth Era, where humanity recovers from the devastating fires of conflict. This period witnesses the rise of mechanical martial arts, which have become an increasingly popular pastime among nations. These cybernetically enhanced fighters harness their bodies' power to transform into deadly machines capable of killing with precision and speed. One such fighter is young Levius, who is determined to succeed in this brutal arena battle for survival alone.