[1] His daughter, Jenny Kim Ju-hyun (김주현; born June 29, 2001, in USA) participated in Idol School in 2017.
After Kim left his band, he made his debut in 1985 with the song "Pale Flower Petals" and turned to solo.
After debuting on February 15, 1988, MBC appeared in the role of a young man in the middle of a junior high school girl who was afflicted with a terminal illness in a program called "Human Era - Junga's Winter Diary".
In April, 1991, she appeared as the first guest in MBC entertainment program "Night-Sneaking Camera", which was performed by Lee Kyung-gyu, and gave a lot of laughter to viewers.
On June 26, 2010, when the South Korean soccer team made a promise to cut off a mustache when they made it to the Round of 16 in the South Africa World Cup, when they really advanced to the Round of 16, they promised "I am not a politician" [1] He proceeded with MBC radio "Kim Heung-guk, Kim Kyung-sik's Dusk," from 2010 to 2011, but in June 2011, he was exiled from MBC and held a one-man protest because he supported the Grand National Party's general election in June 2011.
Since then, he has actively participated in demonstrations against North Korean refugees in front of the Chinese embassy in Hyoja, on March 8, 2012.