O21 Members Profile: 021 Facts O21 (오투원) is a girl group that was active in South Korea. The group debuted on June 20, 2016 under FNC China and consisted of members Weiyang, Lina, LuLu, Yuri, Jiyoung and Sona-K. They gained recognition due to member Weiyang being Filipina. They released one single “SHOW ME” before disbanding in … Continue reading O21 Members Profile