C273 Abandoned the Gu Family!

"Hey, professor? Professor! Where are you going!? " When Chiang Yang came in to report to Mu Tinghan about his work for the whole day, he saw Mu Tinghan quickly changing his bulletproof vest. He looked like he was in a hurry to go out, but now it was the end of a day of intense work. What he needed was rest. Otherwise, who would give orders tomorrow?

"I have to go back to Donglin