Billlie is ready for their comeback with a brand new mini-album.
On October 5 at midnight KST, the group released a new set of teaser photos for their upcoming 5th mini-album 'Appendix: Of All We Have Lost.' In the photos the girls are seen relaxing and enjoying each others' company in a cosy casual setting.
Meanwhile, Billlie will pre-release "Trampoline" on October 11 at 1 PM KST and release the 5th mini-album on October 16 at 6 PM KST.
SEE ALSO: Billlie drop dance practice video for 'Remembrance Candy'