On November 29, multiple music reps stated that the new girl group will include the MINX members: Ji-U, Siyeon, Yoo Hyun, SooAh, and Dami. It will include two new members for a total of seven!
Happy Face confirmed this news, saying, "We will hit success with a concept and music style that could not have been imagined for MINX. It's like we're debuting a whole new girl group considering how long we prepared for this and how we're greeting everybody in a new way."
They opened the home page, introducing the first member's teaser images for Ji-U as well as the girl group's logo.