Cool (Korean: 쿨; Japanese: クール; stylized in all caps) is an independent co-ed group. They 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 a four member group, 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.
On August 2, 2005, they announced their disbandment, but on July 25, 2008, they started activities again after releasing the 10.5 "I Want to Love" album.
Korean: 유리