Instagram/Mark Lee Music Mark Lee announces departure from NCT Dream & NCT 127 after 10 years. Read his emotional letter and SM Entertainment's official statement. April 3, 2026 AceShowbiz - Mark Lee, the Canadian-born rapper and singer known for his roles in NCT Dream and NCT 127, has officially announced his departure from both subunits of the K-pop collective NCT after ten years of active participation under SM Entertainment. The announcement came through an emotional and detailed letter addressed to fans, expressing gratitude and reflecting on his journey with the group.