http://sports.news.naver.com/kfootball/news/read.nhn?oid=139&aid=0002070652 K3 League will introduce promotion-relegation system starting from this season. Top 12 clubs from previous season are invited to K3 Advanced while the remaining 9 teams will battle for the promotion in K3 Basic. Here is how promotion-relegation works: 1) 11th and 12th place in K3 Advanced will be relegated to K3 Basic. 2) Winner of K3 Basic will be automatically promoted to K3 Advanced. 3) The next top four teams (2nd place to 5th place) will square off for the remaining spot in K3 Advanced in the playoff. Clubs in K3 Advanced: Pocheon Citizen (Defending K3 League Winner) Gimpo Citizen Cheongju City Cheongju FC Yangju Citizen Jeonju Citizen Icheon Citizen Paju Citizen Chuncheon Citizen Hwaseong FC Gyeongju Citizen Yangpyeong FC Clubs in K3 Basic: Seoul United Seoul Jungnang FC Siheung Citizen Pyeongchang FC Buyeo FC Goyang Citizen Busan FC FC Uijeongbu Pyeongtaek Citizen BTW, former Incheon United star Yoo Byung-soo will play for Hwaseong FC while fulfilling his duty with alternative service program.