Tan Qingrou is a 13-year-old girl, daughter of the Prefect of Jinling, and sister of Tan Zhenlin. She is shy, introverted, and prone to blushing. She has a heart-shaped face with lingering childhood roundness, and appears cute and lively. She personally prepares flower honey tea and pastries to share with Sheng An, showing her domestic skills. She forms a quick bond with Sheng An, who admires her gentle demeanor. She is initially nervous in social settings but finds comfort in Sheng An's kindness. She serves as a companion to Sheng An during the gathering.