It was previously reported that former IZ*ONE members Miyawaki Sakura and Kim Chae Won have signed exclusive contracts with Source Music x HYBE Labels and are currently preparing to debut under a new girl group.

On March 14, Bang Si Hyuk officially announced and welcomed Miyawaki Sakura and Kim Chae Won through his Instagram account and posted two photos with the two idols.

After seeing the new photos of both Sakura and Chae Won, netizens gathered to an online community where the photos were shared and commented on the crazy proportions the girls have. Netizens were impressed with the two idols' slim figures.

Netizens commented, "Sakura is so pretty," "Their waist is so thin," "The two girls have perfect proportions," "Their proportions are just crazy," "Sakura looks gorgeous," "They're so skinny," "How tall is Bang Si Hyuk?" "It's been a while I've seen them. I'm happy they're back," and "Chae Won is so pretty."