"Hmm." Gu Xicheng put down the computer in his hand and looked at Xu Yixue walking towards him with a puzzled expression.,If you still want to sleep, you can continue after dinner.,The other party nodded, then smiled mysteriously: "I didn't expect that in the investigation of Mu Weijun's disappearance that year, it was discovered that his wife and Xu's mother were best friends, and Mu Weijun and Gu Zhi were classmates."。