一起来睡觉

Neither Lu Fei nor Chai Chudie asked about Ning Cheng's origins, and Ning Cheng certainly wouldn't ask about their origins. Everyone was just using each other. Ning Cheng didn't know what Lu Fei and Chai Chudie were going to use him for, but he definitely wanted to use Lu Fei and Chai Chudie to enter Leiyu City. Otherwise, he wouldn't even be able to figure out the location of Leiyu City....