C276 Elemental Infant must Read

Knock! Knock! Knock!

"Senior Sister, I'm back!"

Kong Qing knocked on the door, but received no reply. After a brief hesitation, he opened the door.

Creak!

"Senior Sister hasn't returned yet?"

The room was empty, which puzzled Kong Qing. The West Flag Mercenary Group was only thirty to forty kilometers away. Even a round trip should take no more than four hours