What is the relationship between Sha Yi and Sister Jing?

Brother and sister. Sister Jing refers to Sha Yi's sister Sha Jing. Sha Jing used to be a model and actress. Later, she retired from the show business to become an entrepreneur and founded her own brand. Sha Yi and Sha Jing are very close, and they often appear together in public. Sha Yi took photos with her sister on social platforms many times. Sha Yi mentioned Sha Jing many times in variety shows, which showed his deep affection for his sister and family values.