The group debuted in 1997, and disbanded in 2000. Eun described his time with Sechs Kies as hectic, recalling that members would retreat to their parents' homes to avoid the demanding schedule. They disappeared about two weeks, so they blew off a lot of schedule. Kim Jae-duck said "We were arrogant at that time". Eun Ji-won said the group's record label planned many of their media appearances without consulting the members. On the other hand, he said that it was the way to catch up with the H.O.T.. At the Korean variety show "Happy together" on March 10, 2011, Eun Ji-won said that Sechs Kies had to maintain a very tight schedule to close the gap on its rival H.O.T.. During this time, the group's popularity rivaled that of H.O.T..