Song Shengsheng's younger brother who recently returned from high school in the county. He is destined to become a famous forensic doctor in the future. As a child he was clingy to Song Shengsheng, but in recent years he became distant and cold toward her. He treats her with indifference and asks harshly why she is back, not even calling her sister. In Song Shengsheng's dream from the book, he examines her dead body and declares it suicide while secretly being very sad.
