S.E.S. is a popular K-Pop group. Along with H.O.T, it was popular in the 90s, and S.E.S. was considered the female version of H.O.T. Both groups were created by Lee Soo Man, head of SM Entertainment, after Lee asked teenagers what they wanted in their music groups. He had planned in advance to have these Korean groups branch out to other nations, and having members speak in other languages helped his cause. S.E.S. was the first outstandingly successful female K-pop group, although they did not survive unchallenged: groups like Fin. Read more on Last.fm.