 Danny Ahn, Son Ho-young, Yoon Kye-sang and Kim Sun-a had already been recruited for the project group, which was planned to be called "GOT6" but Kim Sun-a eventually left to pursue acting.In July 1998, he was the youngest and final member added after passing his audition.Kim's bandmates later stated that they had resented Kim up until their debut due to the change in line-up and Kim's relatively short training period compared to them.