C90
Huo Family Residence.
Huo Yuxiu was in the study room, he was quite knowledgeable about music, chess, calligraphy, and painting. The study room was one of his own. It was quiet, peaceful, and free.
He liked all sorts of calligraphy, such as free writing, and even cursive writing. While he was writing quietly, he didn't want anyone to disturb him.
There were three knocks on the door