The younger twin sister of Feng, Xiùxiù is a carefree kind of person and takes no bull from anyone. With her brothers and older sister, Xiùxiù is born and raised in Seattle before moving to Beijing and started living with her father. Xiùxiù hated living with his father since he was rude, aggressive and disrespectful towards her and her siblings. She had moved awsy to join DIANTHA Entertainment and became a member of a 25 member girl group that had performed mainly at a theater that was made just for the group.