Idols-chool -

Originally recruited 41 trainees who were not signed to any entertainment agency at the time of joining.

A music variety show on MBC Music where idols competed in games like "Manager's Fast Pedal" and "Survival Game" to win stage time. idols-chool

The top 9 students eventually debuted as the K-pop girl group fromis_9 in early 2018. Special Segments & Mechanics Originally recruited 41 trainees who were not signed