The protagonist who transmigrated into a book as the unloved biological daughter in a switched-at-birth story. She bound with a Future Information System that predicted Gu Wanrou would frame her. She proactively installed a hidden surveillance camera in the stairwell to capture evidence. She is intelligent, calm under pressure, and skilled at acting, putting on a pitiful wronged expression when needed. She was nearly strangled by her brother Gu Jiayan but survived by playing the victim.
