C876 Inverting Black and White

"Who else? Nianxi, that brat." Old Master Gu explained the matter angrily.

Gu Zhang looked at the angry Old Master Gu and sighed. He could not say anything. "Old man, Director Gu and Young Master Nianxi should be really busy. There is nothing we can do even if they are busy with work. Please take care of them!"

"Don't think that I am senile