Billlie has just dropped the latest track teaser for their upcoming album 'Appendix: Of All We Have Lost.' The upbeat teaser is paired with a beautiful scene of two Billlie members relaxing in nature together.

The track teaser for 'dream diary ~ etching mémoires of midnight rêverie' is the latest track drop from Billlie, following yesterday's 'Bluerose' and the previous day's full song 'trampoline.'

Billlie's 5th mini album will be released on October 16 at 6 PM KST.

What did you think of the 'dream diary' track teaser?

SEE ALSO: Billlie drops track teaser for "Bluerose" from their upcoming album 'appendix: Of All We Have Lost'