Prologue

Gray Poison. He's been a player of GBN and a rival for Meijin in GPD for 3 years, with his friends in the Build Divers, Avalon Force, and Build Fighters.

Suddenly, the Game Master has asked Gray to test out the new battle simulation system they have before releasing a new patch as a beta tester. But what would happen if the system will change the world of GBN and Cosmic Era?

A/n: I don't own anything except the OC. Images and videos credits goes to the owners.