Cheng Jing is Qin Bai's mother, a woman in her forties who has been suffering from chronic heart disease. She raised Qin Bai alone after separating from Qin Yi. She is gentle and caring, but feels guilty for being a burden on her son. She worries about his happiness and supports his decisions. Her illness is the main reason Qin Bai accepts the marriage. She is currently hospitalized in a top-tier SVIP ward.