Underworld (Vamps album)

Designed to appeal to American audiences, Underworld marks the first time Vamps brought in a producer and co-writers on songs.^[4] The concept bringing the album to life was the "'Underworld' is not a place that we can see with our eyes, 'the physical world,' but the dark side that's hidden beneath the surface, 'the shadow world' where VAMPS' true nature lies."^[5] "Vamps has always been trying to portray a world that exists between something that 'could be of this world, but isn't' and that 'might not exist, but does.'"^[6]

The track list consists of 11 songs including "Rise or Die" recorded as a coupling song to "Inside of Me" featuring Chris Motionless from Motionless in White."Sin in Justice", done in collaboration with Apocalyptica also included