A differentiated audition program in which 13 trainees compete to perform the best "balance game" and the final line up selected by the public. The chosen members would be debuting in a new boy group in the first half of 2022. The contestants, consisting of 16 to 19 years old and in their mid to late teens, are hidden gemstones that have been discovered through several global auditions as well as in Korea and have a perfect balance in both skills and visuals.