It looks like acting President Choi is trying to push a compromise between the KDP and the PPP which I doubt he is going to have much success with:

Acting President Choi Sang-mok appointed two out of three Constitutional Court justice nominees, Tuesday, as he presided over his first regular Cabinet meeting after assuming the role.
Choi took on the position following former acting President and Prime Minister Han Duck-soo’s impeachment by the opposition-controlled National Assembly on Friday. Han was ousted for delaying the appointment of three Constitutional Court justice nominees who had won parliamentary approval on Thursday.
Choi appointed Jeong Gye-seon, nominated by the main opposition Democratic Party of Korea (DPK), and Cho Han-chang, recommended by the ruling People Power Party (PPP), but said he would hold off the appointment of Ma Eun-hyuk, nominated by the DPK, until rival parties reach a compromise.
You can read more at the link.