C244 Threat

Dong, dong, dong!

"Grandfather, it's me."

Mu Yunfei knocked on the door of Old Master Mu's room.

Mu Yunfei pursed his lips, pushed open the door and walked in.

Old Master Mu sat on the bed. This year, his complexion was obviously not as good as it was last year, and after the last few days, he had gotten sick of coughing as well. When Mu Yunfei came in