C93 Maintenance

Ye Ke still looked calm and collected, but Luo Heeying felt cold sweat trickling down his back. His mind was blank, and he didn't know how to use any excuse to fool him.

"Chair Zhang. Hm? And you two, why are you still here? " Gu Yanci's cold voice came from the corridor.

Chair Zhang heard the sound of greeting and footsteps coming from behind him. He turned around and said, "Prof. Gu