Master of Shanjing Academy and an old friend of Qin Liusong. They rekindled their friendship after Qin's rebirth, bonding over qin music and exchanging letters. Huai Liu's son is a Supervising Censor loyal only to the emperor. Qin Liusong sent evidence of crimes to Huai Liu, hoping he would bring help to expose the corruption in Yiyang County.
