The third track "Words to Say" (Korean: 할 말); Leo's Solo was written entirely by himself and arranged by MELODESIGN.

The fourth track "Ghost"; Ravi's Solo was written entirely by himself and arranged by himself and Cho Yong-ho.

[5][6] VIXX LR began their promotions with their first showcase for Beautiful Liar at Yes24 Muv Hall in Seoul′s Mapo-gu on August 17, 2015.

[9] 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.

[10] In January 2016 it was announced that VIXX LR will be holding their first Japan showcase tour for Beautiful Liar.