젝스키스
Lee debuted as a member of Sechs Kies, signed under Daesung Entertainment, in 1997. Along with Kim Jae-duck, he created the choreography for most of Sechs Kies' music videos. Sechs Kies achieved great success and became an icon of the 1990s Korean idol groups. However, Sechs Kies suddenly disbanded in 2000 after finishing their fourth album's promotion.