'Standby IOI' is a sequel reality program showing the debut process of the members who were chosen through 'Produce 101.' It will be filled with every movement of the members who are preparing to release their debut mini-album on May 4 and actively promote. We will show their image on set of practice, photo shoots, and of course their recordings.

casts

Choi Yoo-jung

Yeonjung

Kim Do-yeon

Kim So-hye

Lim Na-young