Doomsday Overlord System

{No NTR} {Scumbag Protagonist} The protagonist Su Ming accidentally traveled to a parallel world. He thought he could save the fate of his sister who had been dependent on each other since childhood, but found that the doomsday actually appeared... After accidentally killing the zombies, Su Ming activated the Doomsday Overlord System. Isn’t this forcing him to conquer the world and open his own ideal country? So, Su Ming sang all the way, started from Jiangcheng, and embarked on the path of a doomsday overlord, wanting to survive? Let’s call the master first, no matter whether you are a high-ranking official, a celebrity singer, a policewoman, school beauties, or a famous beauties, you are just a slave here to Su Ming. If you want to survive, just be a female slave...