Cool (Korean: 쿨) is a South Korean co-ed K-pop group that debuted in 1994.[1They debuted in 1994 as "Why You Wanted to Be". In the 1st album, Kim Sung-soo, Lee Jae-hoon, Yu Chae-young and Choi Jun-myung were four, but from the second album, Yoo Chae-young and Choi Jun-Myeong withdrew and while female member Yuri joined them, Kim Sung-soo and Lee Jae-hoon together acted as a three-member group.

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