The CrewOne

In a joint statement released on June 27, 2024, IST Entertainment and Bluedot Entertainment announced that boy groups ATBO and JUST B will be teaming up to create a project group, The CrewOne. On July 10, it was announced that The CrewOne would be participating in Road to Kingdom : Ace of Ace. On July 16, it was announced that all activities of The CrewOne will be handled by IST Entertainment.

On November 29, IST Entertainment announced that The CrewOne's collaborative promotions would come to an end and the group is set to disband after the Road to Kingdom : Ace of Ace concert in January 2025. However, as the concert was announced to be canceled on December 2, it is safe to assume that the group had effectively disbanded. On December 9, IST Entertainment announced the closure of the group's b.