I Rely on Bugs to Slay Gods

Three years ago, chief architect Chen Fusu implanted an unremovable virus inside the game 'Divine Realm', was then dismissed by the board, forcibly memory-wiped, and returned to real life as an ordinary person. Three years later, the virus fully erupted, stitching the game world and the real world together. The system detected that he was the only 'uninfected entity' and 'error code', attempting to format and erase him—but he used administrator privileges to rewrite his own data, reverse-activating the developer entrance. The truth is: three years ago, he himself orchestrated all of this, and the virus at the tower top is waiting for him to return to complete the final step. — Description from novelcodex.org