SK Telecom Co., Ltd. (Hangul: SK??? or ???????) is a South Korean wireless telecommunications operator, controlled by the SK Group, one of the country's largest chaebol.
League of Legends Champions Korea (Hangul: 리그 오브 레전드 챔피언스 코리아), commonly abbreviated as LCK, is the primary competition for League of Legends esports in South Korea. Contested by ten teams, the league runs two seasons per year and serves as a direct route to qualification for the annual League of Legends World Championship. The LCK is administered in cooperation between Riot Games, KeSPA, OGN, and SPOTV Games.