Rainbow held their first comeback stage with Whoo "through SBS MTV's" (우리, born Go Woo-ri (고우리) on February 22,1988) is a rapper and vocalist in the group.
Rainbow held their first comeback stage with "Whoo" through SBS MTV's "The Show" on February 16. Woori (우리, born Go Woo-ri (고우리) on February 22,1988) is a rapper and vocalist in the group.