Loossemble have revealed their concept photos for 'TTYL'.

In the teaser images, the Loossemble members unit up two by three as they continue their lovely, chic concept. 'TTYL' is the LOONA spin-off girl group's upcoming 3rd mini album set to drop on September 2 KST.

Loossemble are teaming up with producer Ryan Jhun for their comeback.

Stay tuned for updates on Loossemble!

SEE ALSO: Loossemble drive through the night in 'Confessions' MV