C142 Do the Proper Thing

As the seven silver needles were inserted into Lee Yutong's arm, the black line on Lee Yutong's arm gradually became lighter and lighter. Shi Ziyi looked at the changes in Lee Yutong's arm and became even more careful. He stared at Lee Yutong's arm and refused to move away, afraid that he would make any subtle changes.

Loong Xuanzi also focused on Lee Yutong's arm. After all