A woman from Tang'an County, belonging to the renowned Sun family of medicine that has practiced for generations throughout Jiangzhou. She is cheerful, carefree, and optimistic, living up to her name which means without worries. Her father named her with the wish that she live without worries. She is described as having fanciful emotions about anything she encounters, finding positive meaning in everyday occurrences. She travels with her attendant Guizhi to collect medicinal herbs and dried seafood products. She is kind to her servant, treating her well and even feeding her braised chicken leg.