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Long One Kpop Group may refer to:
A long-running K-pop group that debuted in 2008 and has remained active for many years.
A major first-generation K-pop group that debuted in 2006 and has had long-term prominence.
A well-known K-pop group active from 2009 to 2016, notable for its long run within its era.
A long-standing K-pop group that debuted in 2005 and has had an extended career.