Games Merge with Reality: My System Works Backwards

[System, upgrade, shuttle between two worlds] At first, people thought it was an illusion. But what follows is the integration and erosion of the real world by a game world. As one of the first players selected by the game to become a beta tester, Zhang Ling obtained a perverse system due to multiple illegal operations that caused the system data to overflow. When others gain, they debuff, and when others debuff, they gain, which is completely opposite to normal operation. As the two worlds become more integrated, powers limited to the game world begin to emerge in reality. So Zhang Ling traveled between the two worlds, doing all kinds of things that the frail and otaku he once could not do.