Also known as Fourth Young Master Yan or Yan Si, he is the hot-tempered younger brother of Yan Zhao, around twenty years old. He has a lean tall frame, sharp eyebrows, starry eyes, and striking features. He currently has a white bandage on his forehead with blood seeping through. He got into a fight with Third Young Master Jiang and is at the police station. He is used to Gu Xueyi's previous willful and ferocious behavior and is surprised by her calm and indifferent attitude.