Shock! My Identity Is Civilization Lord

Blue Star is overloaded and begins to clean up its memory, ushering in the doomsday era. All humans are numbered. The male protagonist Jiang Cheng was reborn on the first day after the disaster and returned to the fifth day before the disaster. I accidentally obtained the Doomsday Era Dominator System. "Congratulations to the host for getting Wu Dalang's pole x1, congratulations to the host for getting a hundred times reward card x10086, congratulations to the host for getting a thousand times gold coin card x10086." I show my cards, my mission is to save human civilization. This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.