The Strongest Demon Becomes the Protagonist's Strategist

Game designer Zhou Yuzai suddenly died while working overtime and transmigrated into the cultivation game he was working on. He became the main antagonist Wei Buwang, who had killed the female lead Jiang Yunbo's entire family. Zhou Yuzai thought he would have it easy in his own game, but Jiang Yunbo's tendency to die in game also reset him back to...