C315 He Picked up an Alien

"Yang, Mr. Yang, why did our blood become stronger than sulfuric acid?" The cockroach asked with a pale face.

"That green is another virus that has been left in your bodies. I haven't thought of an antidote for this kind of virus yet. So, if you don't want to die so quickly... Just tell me the source of the virus, and only by finding its source... Only then can I truly develop the right medicine