The older sister of Jiang Xingrui. She is a woman in her early thirties with an outstanding temperament. Three years ago when Haitang came to Beidu, Jiang Ruoni was still in the army in another province. She now lives alone and has a strained relationship with her family, basically not going back to the Jiang family. She is warm and sincere towards Haitang, enthusiastically introducing the restaurant specialties to her.