Billlie's Moon Sua and Siyoon continued to roll out more concept photos to prepare for their unit debut.
On April 3 at midnight KST, the duo further showcased their charisma and twin charm. In the latest concept photos, Moon Sua and Siyoon showed off different looks with Siyoon dressed in red and white, and Sua dressed in black and blue.
Meanwhile, the unit album and music video will be released on April 7 at 6 PM KST.
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