One of Su Nuannuan’s older sisters, mentioned in the memory of Su Nuannuan’s childhood. When Su Nuannuan was six, Su Jinjin was twelve and was left in charge of the younger siblings while parents worked on the dam. She noticed Su Nuannuan’s fever and instructed Su Mianmian to fetch the parents. Though not physically present in the main timeline, she is acknowledged as a caring sister who contributed to the family’s survival.
