[2] At their debut showcase, Leo further explained that the name also stands for "left" and "right", in reference to their contrasting qualities and images that create harmony when they perform together.

On August 7, 2015, Jellyfish Entertainment released a video trailer on VIXX's official website after a mysterious countdown with a silhouette of the group's last special album Boys' Record.

[3][4] VIXX LR released their debut mini album, Beautiful Liar, on August 17, 2015, and held their first promotional showcase at Yes24 Muv Hall in Hongdae, Mapo-gu, Seoul that same day.

[8] On September 4, 2015, VIXX LR wrapped up their three week promotional cycle for Beautiful Liar on KBS2's Music Bank with a goodbye stage performance.

[19] On April 11, 2023, Ravi announced that he had departed from VIXX following the corruption issue related to his military service, thereby ending the duo sub-unit.