What is the relationship between Born Brother and Sister?

Born Siblings is a Chinese mainland pro-sibling duo consisting of singers Western Yang Gang and Yang Wenzi. The siblings grew up in the freedom and music of a southwest Miao village. Born Brother and Sister group, is currently the only male and female vocal music group composed of biological siblings in the Chinese singing world, representative works: "100% good man", "Guizhou my beloved hometown", "Guizhou people love Guizhou", "Please come to Guiyang" and so on. \r\nMore about what is the relationship between born brother and sister, go to: /ask/c955071615741756.html?zd to see more content