RainBow: Korea's National Rainbow Beauty The group is a Korean beauty band group, by the DSP company spent four years to cultivate the girl group Korean girl group, Rainbow group of members with cute, pure, lively and other characteristics, seven members of versatile, as a seven-color rainbow, they can show a sexy and strong side, but also pure and mature female beauty.

RainBo group composer: Kim Jae Kyung, The name of the group: because there are seven members, so they were called Rainbow in the trainee period, the older brother SS501's Kim Kyu-Jong also suggested the name Rainbow for the group, because they think the name is very apt, good to remember.