C667 The furious Mi Yu

"Where did the Young Lord go? Why isn't he back yet?!"

The black-robed old man paced back and forth in his room, his expression anxious and extremely uneasy.

Mi Yu had always been a prudent and prudent person, but never had he acted like this. He had not returned for a few days, and there was no news of him.

The Mysterious Sky Grandmaster was about to pass away