path, he seemed out of place, detached from the world.Zhuoyunxin was completely stunned.She came from a noble family, and she had seen countless handsome men growing up. Especially with the perfect Ou...Knock, knock. 。Three knocks on the door broke the silence. Yesterday afternoon, Hualing brought Mengbao to the address Cheng Keqin had given them. She was a little nervous as she knocked. 。The one who opened the door was an older person, seemingly the housekeeper of the family. 。"Hello, I'm Cheng Keixin. I was introduced by became a little bustling.After thinking about it for a long time, I still couldn't figure it out. Their pulse and all the symptoms point to Yin deficiency. What's wrong with treating Yin deficiencyA...