"Heart Attack" is one of the two songs that will be featured on her upcoming single album and just before Chuu makes her official debut, an MV teaser clip has been released for all the fans. Chuu looks adorable once again in the holiday/winter themed teaser. Check out the video above.
SEE ALSO: [MV & Album Review] LOONA – 'Chuu'
Chuu's single album is set to release on December 28 at 12 PM KST, stay tuned.