The eleven singers that were competing to debut in Produce 101 are preparing for debut on May 4th. The group name is I.O.I or IOI and they are going to be active together for one year. After that each member is going back to her agency. If the project is a success then they can continue as a group. Until their debut they appeared on 1st Look, so check it out.

Chae-yeon is wearing a Print Pullover and a Straight fit dress from Bimba y Lola