Plot
In the near future, Isurugi Nero is an average young boy. One day, while attending a tournament for the VR game MBZ with his friends, Nero's young sister is viciously struck by tournament winner Yagami. Arrogant and condescending, Yagami turns out to be a child prodigy and new transfer at Nero's school. Obsessed with avenging the affront to his sister, Nero finds the instrument of his revenge in MBZ and the mysterious game avatar Zero One.