Billlie unveiled new teasers for their upcoming summer single "track by YOON: Patbingsu".
On July 10 at midnight KST, the girls of Billlie continued dropping classic posters reminding many of the commercials that took place back in the early 2000s.
Meanwhile, "track by YOON: Patbingsu", a collaboration project between Billlie and Mystic Story's producer/singer Yoon Jong Shin, will be on July 14 at 6 PM KST.
Billlie members are really cute in these teaser pics, but where's the bingsu? 😅
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