Qiao Shuyi's best friend since junior high school and Sheng Yu's younger sister. She is described as tough-mouthed but soft-hearted. She and Qiao Shuyi were extremely close, sharing secrets and experiences. They drifted apart because Qiao Shuyi insisted on being with Gu Linchuan. Despite this, Sheng Tang still attended Qiao Shuyi's wedding and warned Gu Linchuan to treat her well. She is currently celebrating Qiao Shuyi's return to singlehood and gets drunk during the celebration.
