C233 This Is My Mother

"Halt."

Just when they were about to step into the piano room, Mu Yuyu suddenly shouted.

Ni Yun subconsciously froze on the spot, not daring to move.

With all kinds of thoughts in his head, Mu Yuyu wouldn't have discovered her, right?

He turned his head around and pouted, feeling somewhat dissatisfied as he said, "Father