C439 The Nagas Who Had Entered a State of War Preparation

Qian Yuntian, who had been standing in front of the window for a long time, lowered his eyes. The smile on his face did not fade. He flipped his hand and took out a scroll that was as long as his palm and played with it.

"Are you talking about the T4 virus? It's a pity, Qiu Chen. It's been five years