The guard answered hurriedly."Bring Lao Si to see me!" said the middle-aged man in black.The guard hurried out, and soon after, a man with a scraggly mustache and a sharp face walked in."Lao Si, why d... to come to my house today In the martial world's rules, once a challenge is issued, it brings harm to one's wife and children…"Gu Wen Tian has been acquainted with Qin Xiao Lin for a long time. Back...