C619 Who Is This Master Father?

It seemed that getting any sense out of Hua Fei was a lost cause, so Xiao Nan dropped his line of questioning. However, one mystery continued to baffle him: how was Hua Fei's voice reaching them?

With a furrowed brow, Xiao Nan inquired, "Hua Fei, earlier when we were speaking, your voice was present, but you were nowhere to be seen. How is that possible?"

Hua Fei