Male, middle-aged, the Grand Tutor and Si Tu Yan's maternal uncle. He is from the powerful Yan family. He wears a wide-sleeved court robe of deep purple with a fair lean face and cool detached eyes. He is Si Tu Qing's son and becomes furious upon discovering that a eunuch dared to slap Si Tu Yan, showing the palm print mark on Si Tu Yan's face.
