SEE ALSO: K-netizens discuss if they'd go to Taylor Swift, Adele or Rihanna concert in viral post

 

The girls' upcoming release will be their second digital single, and the only hint we have so far is the word "baby."

You can expect Gaon, Hayoon, Dayun, and Kongyoo's teaser images next, while BONUSBaby's group teaser will be out on the 14th.

The girls also just celebrated their 100th day since debut, so check out the video below.