C149 The Prince Regent the Prince Regent(16)

Xiao Mian thought Su Yun was just a sickly person, but he didn't expect Su Yun to be so weak.

He thought that the ink should be carefully studied. There were no impurities in the ink, and the ink was black and bright. It had a spirit, and when it was grinded or knocked, the sound was clear and not dirty.

The movements should be as smooth as flowing water