After the 2015 season , Seoul FC Martyrs left the league , but three new teams Buyeo FC , Siheung Citizen and Yangpyeong FC joined the league . After 2015 season Seoul FC Martyrs left the league , but three new teams Buyeo FC , Siheung Citizen , and Yangpyeong FC joined it .
Selepas musim 2015, Seoul FC Martyrs meninggalkan liga, tetapi tiga pasukan baru Buyeo FC, Siheung Citizen dan Yangpyeong FC menyertai liga. Selepas musim 2015 Seoul FC Martyrs meninggalkan liga, tetapi tiga pasukan baru Buyeo FC, Siheung Citizen, dan Yangpyeong FC menyertainya.