Second Young Master of the Duke Rong household. One of the two Gu brothers who protected Ye Wanshu for ten years after her mother's death. In their past life, he spent a fortune at a brothel and brought back a courtesan named Jiang Yueling. He was forced to marry Ye Wanshu after the scandal but treated her with disdain, never touching her until her lonely death. In this life, he is stubborn, quick to lose patience with Ye Wanshu, and defends Jiang Yueling aggressively.
