Following their pre-release track "Trampoline," Billlie continues preparations for the release of their 5th mini-album, 'appendix: Of All We Have Lost.'
On October 12 at midnight KST, the girl group dropped another track preview teaser for "Bluerose." "Bluerose" is the third track from Billlie's 5th mini-album.
Meanwhile, Billlie will be making their comeback with 'appendix: Of All We Have Lost' on October 16 at 6 PM KST. The girl group's title track is "Memory Candy," with lyrics co-written by IU.
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