C21 There'll be Trouble If People Find out

After Gu Zichen answered this question, he didn't need to answer any other questions. All of them were easily solved by Mu Xuan, so he didn't ask any more questions.

"Zichen, I have another question."

"Ask."

Moo Xuan looked around carefully and asked quietly, "Why did Shen Mohan become your guardian? Also