C570 Missing Duty

When Tang Cheng heard the voice of the young AA guard, the smile on his face instantly disappeared and was replaced by a touch of coldness that was as cold as ice.

"Who are you?" Tang Cheng's sharp eyes fell on the face of the AA soldier, and his deep eyes showed undisguised disgust. He grabbed the young AA guard's hand, which was about to push the syringe needle into his blood vessel