Frim Wikipedia: Government of South Korea

Let's try to get an idea of how checks and balances work in their system.

- Click here for the article. 

. . . If they are suspected of serious wrongdoing, the president and cabinet-level officials are subject to impeachment by the National Assembly. Once the National Assembly votes in favor of the impeachment the Constitutional Court should either confirm or reject the impeachment resolution, once again reflecting the system of checks and balances between the three branches of the government.