C91 Use His Cost

Mu Zhifeng guessed, all these years, Mu Nanxi hid Ji Xueluo and the child so well, so he must be afraid.

Mu Nanxi's cold gaze stopped at him without any emotion, "Why do you think you can threaten me?"

His tone was flat, but it was quite intimidating.

Under his powerful aura, Mu Zhifeng already felt a chill down his spine. However