C533 You Won't be Able to Learn It Even If I Tell You

"I told you my strange disease was cured, didn't I?" Zeng Kuan said with a smile, "They found a strange bug in my body. It was the poisonous bug that caused me to have a strange disease."

"I see." Zeng Xiong suddenly realized. He had treated some difficult diseases over the years, some of which were caused by parasites in his body