An Academician who grew up with Song Zhiluan. His family previously discussed marriage with the imperial family before the empire was established. The emperor intends to arrange their marriage and has praised Xu Yaochen indirectly on multiple occasions regarding Song Zhiluan's marriage. He is described as refined, stern, and pedantic. He confronted Song Zhiluan about drugging and kidnapping Xie Yujin and warned her about the seriousness of the situation.
