Tao Xiaoxi's grandmother who lives nearby. She has a password to enter their room but always knocks on the door instead of entering directly. She visited Tao Xiaoxi recently, which interrupted Tao Xiaoxi and Chen Fang's newlywed time. She made minced meat sauce the day before the chapter events. Tao Xiaoxi texted her grandmother that she would not be coming downstairs for breakfast or lunch.
