Teng Fei's younger sister who is seriously ill and hospitalized. She is extremely frail with a pale, gaunt face and lips devoid of color. Despite her illness, she maintains a faint smile and shows optimism, though she later reveals her condition has spread and the doctors say she may not recover. She admires her brother deeply and sees him as her protector, making it difficult to imagine him as a murderer. She coughs frequently and needs assistance when trying to sit up.
