Storyline

The emerging capitalist force, Bio-Pitalism, has achieved the eternity of human life through the next generation of organic technology called NTO. With this new technology, the Bio-Pitalist accumulated tremendous wealth and built an independent kingdom deviating from other nations called Neo JS City.A gladiator of Ludus Arena, who lost his memories due to a fierce battle spared his life from a mysterious man who calls himself “Machina Vendor.” Machina Vendor named him ‘Lost’ and offered to help regain the memories if Lost became his gladiator. Lost gradually and partially recall his memories throughout the battle. Now he has to choose whether join Machina Vendor for his vengeance or continue on his way as a gladiator of Ludus Arena.