Hamin

On June 12, 2025, he was introduced as a contestant of Mnet's survival show Boys II Planet as an individual trainee. On July 17, he was eliminated in episode 1 after being unable to pass the Class Placement Match Test. On August 3, Nth BOYS revealed Cho Myeong Su as one of the members through the opening of their official Instagram account.

On August 20, the group wiped their SNS accounts clean and announced via Instagram stories that they have disbanded. On November 20, he was introduced as a member of GENUS.