Kammala wannan jumla: Tare da rushewar Yuan, wanda ya rinjayi tsibirin Koriya tun lokacin
Bayan mamayewar Mongol na Koriya a 1238, Sarki Gongmin ya fara kokarin gyara gwamnatin Goryeo. Ayyukansa na farko shi ne cire duk masu goyon bayan Mongol da kuma jami'an soja daga matsayinsu. Waɗannan mutanen da aka tsige sun kafa wata ƙungiya mai rarrabuwa wacce ta shirya juyin mulki mara nasara a kan sarki. Babban jami'in Jo Il-shin har ma ya yi ƙoƙarin karɓar gwamnati, amma janar Choi Young ya dakatar da wannan tawaye.