The South Korean legislative election on 15 April 2020 received high attention in international news as the first national election held under the constraints of the COVID-19 pandemic. Still, voter turnout, at 66.2 per cent, was the highest in 28 years and a North Korean defector, for the first time, was elected to the unicameral National Assembly (Gukhoe). The election, which resulted in a landslide victory for the incumbent government’s party, was the first under a new electoral reform that introduced compensation seats within the proportional representation (PR) tier of the mixed electoral system. In response, both major parties set up satellite organisations that only competed for PR seats. Thereby, the major parties consolidated their hegemony in the National Assembly …