UNI (유앤아이) was a dynamic girl group composed of four talented members, Loha, Siwon, Cindy, and Sky, under the management of TNK Entertainment, We Can Do It! Entertainment, and The Best Entertainment. Their captivating performances and unique sound captured the hearts of fans until their last group activity in August 2018. In a bittersweet turn of events, the group officially disbanded in March 2019, following the departure of members Loha and Siyeon.