What does Chang'e sister mean?

A term used to describe women. "Sister Chang'e" is a popular term on the Internet, which originally came from a fan named Zhang Yixing's nickname for his idol. Later, the word gradually became popular and became a term used to describe women. The term "Sister Chang'e" is used to describe some young women who are beautiful, elegant, noble, and gentle, or it is a friendly term for women.