The group first appeared in December of 2003 and released its first album in 2004. They're second album came out in 2005. In 2006, the group released their first Japanese Album and third Korean album. Now, in 2007 the group is focusing their efforts in the Japanese market. Starting off the year with two new singles and their second Japanese album in mid-March. The 5 members : Xiah, Hero, Mickey, Max, and U-know.