The Earth Has Been Transformed by Magic

Shen Bing, who died in an accident, came to an earth that merged with a different world. But it's not just a simple time travel. Shen Bing was sent there by the gods as a brave man who fought against the demon king of another world! However, Shen Bing was not the only one who was sent here. Shen Bing didn't know why this earth merged with other worlds, and how many worlds were waiting for integration. I don't know if all this is a game between gods or... . .