3YE 2nd Digital Single "Oomm" 3YE (써드아이) is a 3-member girl group formed by GH Entertainment.The group consists of: Yuji, Yurim, and Haeun. They debuted on May 21st, 2019 with ‘DMT (Do Ma Thang)’. 3YE 2nd Digital Single "Oomm" 3YE 2nd Digital Single "Oomm" 3YE (써드아이) is a 3-member girl group formed by GH Entertainment.The group consists of: Yuji, Yurim, and Haeun. They debuted on May 21st, 2019 with ‘DMT (Do Ma Thang)’.