C919 Ambush

The person who was still mocking him laughed, but he felt a pain in his stomach. Then, he felt something crawling in his body. He hurriedly grabbed his clothes and looked at his stomach. A black mark that was about three fingers wide was running around his chest. He choked back his laughter, and his expression turned into one of fear.

"Uh, ah!" A black gas spurted out from his mouth