Mu.

It was Boss Mu's surname!

If Doctor Liu had really been in contact with Xu Youning, it was definitely not a coincidence that Mu Sijue's surname appeared on Doctor Liu's desk!

Maybe, this clue could reveal whether Xu Youning was hiding a secret from them or not!

Xiao Yunyun felt her outstanding memory could play a role.

Xiao Yunyun recalled the four figures she had just seen, which were the same as the last four ...