Billlie has released the music video teaser for the upcoming collaboration project with Yoon Jong Shin.

'Track by YOON' is a new project by singer/producer Yoon Jong Shin. The first release of 'Track by YOON' features a remake of Yoon Jong Shin's "Patbingsu" and "Freeway Romance" sung by rookie girl group Billlie.

On July 13 at midnight KST, the girls dropped the music video teaser for "Patbingsu," where they display their sweet charms.

Meanwhile, both tracks will be released on July 14 at 6 PM KST. So stay tuned for just one more day!