C351 The Ebony Citadel Reappeared!

What was going on?

Wasn't Yang Ke taken away by the Future Human? Why would he call?

Zhou Wen pricked up his ears and planned to continue listening.

"Son, you finally know to call us." Yang Ke's parents said excitedly.

"I was recruited by the research institute. This place is a confidential unit. I can't tell you the location. Don't worry, I'm fine here