C690 Lin Yi's Insistence

When Yeyou heard this, he became silent. He seemed to be hesitating whether he should tell Lin Yi or something else. After a while, Yeyou slowly said, "They must be doing this for revenge."

"Revenge? Who?" Lin Yi asked, puzzled.

"A former test subject." Yeyou said helplessly.

"Test subject?" Lin Yi was completely shocked this time. He suddenly remembered what Yeyou had told him before