C920 Chair Tong Swung His Knife at Him.

Chen Yu entered the operating room with a large mask and a pair of wide-rimmed glasses.

Behind him were three other soldiers who were dressed similarly.

"When you go in, don't let anyone see through you." Chen Yu warned as he walked, "I am the chief surgeon, you are the assistant, you are the nurse, and you are also a nurse."

The soldiers nodded