Gui Xian's father opened a Korean cram school in Taipei (opened on February 4, 20 12, attended by some SJ members).
Family members: Dad (Yong Yinghuan, president of Korean UPI College Federation and professor of social education college of Korea University), mom (Hannah Kim, it is said that mom opened a children's art school) and sister (violinist Yong Yala).
Family background: It is very important in Korean education. Gui Xian's father's tutorial school is very famous in Korea, and his mother is the dean of the art school, so she is very rich. SJ belongs to the fairy family except his birth.