C489 Upstairs on the Third Floor

"You just stay in this room and wait patiently. We will handle everything and it won't take too long. We just need to leave for 40 minutes or so, then we won't have to worry about all the bombs. The two of us will come back and pick you up. "

Ma siyu's regular activities were mostly on the second floor, because she did not have much contact with the real core