C909 The Safest Devil Domain in History

Upon reaching the sixteenth subterranean level of the laboratory, Chen Feng spotted Chen Kaizhi, Chen Mingbo, and Su Yuewen engaged in conversation with several scientists.

Inhaling deeply, he marched over and called out, "Grandpa, Dad, Uncle Su."

The trio turned to face him. Chen Kaizhi spoke with a hint of detachment, "I heard about the breach in our lab and couldn't rest easy