The title "Liar Mask" refers to the literal and metaphorical masks worn by the characters, particularly those in the Empire who hide their true, often cruel natures, or members of who must hide their identities to survive. Key lyrical themes include:
: The lyrics repeatedly mention "blood and tears" and "staining everything in red," mirroring the high mortality rate of the show's cast.
: November 26, 2014, under Sony Music's DefSTAR RECORDS.
: Primarily J-pop with strong rock influences, featuring a unique mix of violin and electric guitar solos. Lyrical Themes and Symbolic Meaning
: This song marked Rika Mayama's major solo debut single.
Musically, the track is known for its , beginning as a soft rock song before accelerating into choir-backed segments and even waltz-like rhythms in the full version. Fans and musicians often highlight its difficulty; for instance, the drum parts are notoriously complex for covers.