The girls remain ambiguous, but they did release another picture of the member looking bright and pretty in a white shirt. They wrote, "Everyone~~~! Crayon Pop's Soyul will find everybody on January 12 Monday, 12 PM!!! with the song 'Y-Shirt' ? Listen to it a lot, a lot ^^ Promise!!! ssireumssireum??"
Make sure you tune in to see what Soyul has in store for you!