F.Cuz (Korean: 포커즈, "Focus"), is a South Korean boy band managed by CAN Entertainment. The group made their debut on January 8, 2010 with their first single, "Jiggy" on Music Bank. F.Cuz originally debuted as a four-member group (Jinon, LeeU, Kan, and Yejun), but LeeU made his departure on August 23, 2011 to pursue a solo career. F.Cuz promoted shortly as three-member group in Japan, but were joined by new members Daegun and Raehyun in 2012. The official fanclub for F.Cuz is 'For U' and their color is Twinkle Light Silver.
was a South Korean female group originally made up of Kim Yeonji, Lee Boram, and Nam Gyuri. In 2009, Nam Gyuri left the group to pursue a solo career. She was replaced by Lee Soomi until 2010. The group continued as a duo consisting of Kim Yeonji and Lee Boram until their disbandment in 2011. When they first debuted, they were marketed as the female version of SG Wannabe.
Rainbow (sometimes stylized as RAINBOW; Hangul: 레인보우, Katakana: レインボー) is a 7-member South Korean girl group...