They grew up together in an orphanage as children and planted forget-me-nots together as a promise. Bai Yan was adopted by the Gu family and promised Xiaoxu that he would come back after leaving. Xiaoxu didn't wait until Xiaoxu was adopted by a gentle couple, and they didn't get to see the forget-me-nots blossom together until they met in high school.
Seven years later, Jiang Xu became Gu Baiyan's family doctor
Gentle and cold-faced Nian is aggressive & cheerful and hot-faced is adorable
Purpose: Keep your promise
