B1A4's sister group hinted at their debut.
On March 26, B1A4's agency WM Entertainment uploaded a video of 8 girls on their official website with their names.
The video shows 8 solo shots of the girls under different concepts, arousing people's curiosity.
WM Entertainment said, "The video revealed is the first teaser video hinting at debut of a rookie girl group under WM Entertainment. The group is set to make their debut next month, and we are currently working on details. They are currently busy preparing their debut album, so please give them a lot of support and love."