The EP was released on August 28, 2017 under the label of Jellyfish Entertainment.

On July 19, 2017, Jellyfish Entertainment announced that VIXX LR is aiming to make a comeback and release a new album in August.

[2][3][4] The album contains five tracks all of which are written and composed by either Ravi or Leo.

[5][6] VIXX LR will begin promoting Whisper with a comeback showcase on VLIVE on August 28.

Countdown on Mnet, Music Bank on KBS, Show!