C476 Big brother？！

"The initial diagnosis is cyanide poisoning, but what it is, we need to make a further diagnosis before we can find out."

"What?" Cyanide poisoning? " Cheng Tianyu had never been this depressed before, and the sloppy Lei Nuoxi and Jiang Shaoqing also slowly closed their eyes and leaned against the cold wall, feeling like their world had collapsed.

To a prodigy like Lei Nuoxi