C391 Bai's Challenge Letter(1)

Xi Mutong followed Qin Ge all the way to the boys' dormitory and saw nothing unusual about him. However, she did not know that the tracking technique that she had always thought she was proud of had long been discovered by Qin Ge. Furthermore, she did not follow him back, but did not notice him. Xi Mutong once again returned to the bottom of the activity room building, in a hidden dark corner