Underworld is the fourth and final studio album by Japanese rock band Vamps, released on April 26, 2017 in Japan and April 28 internationally.

[3] The production took place in Henderson, Nevada with producer Kane Churko.

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.

'"[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.