Thirty years have passed since in 1987 formal democratization was achieved in South Korea. Since then the country has undergone the two turnover test (Huntington), and it overcame economic, financial, and political crises. However, social inequality is higher than before democratization, social conflict has been exacerbating, and political polarization has been on the rise. South Korea's democracy has been going through a continuous stress test trying the polity's capacity to heal social conflict, integrate society, and mature politics as meeting these challenges is key to sustainable...