Female protagonist, 19-year-old college student with a postdoctoral degree. She signed a seven-year contract with the Space-Time Administration and traveled through various Small Worlds to complete missions in order to save her brother Yu Heng. During her absence, an AI Brain controlled her body, making her act like a robotic, emotionless scholar. After completing her missions, she returned to her own world and woke up as Pei Yuezhou's wife. She is kind-hearted, patient, and determined to understand the truth about her husband's obsessive behavior. She has combat experience from her seven years in the Small Worlds but currently lacks physical strength.
