Monster is the sixth, and currently final, studio album from the band Girugamesh, which was released on 27 November 2013.

[5] During absolute 0 decision the band performed three songs: "Drain", "Incomplete" and "Resolution".

The performance was live streamed online for free, shortly after this event Monster was announced.

On 13 October 2013, the band hosted an event called 'Oneman Live G#' at Shibuya-AX where two more new songs "Antlion Pit" and "Another Way" were performed for the first time, this performance was temporarily available on Danger Crue's YouTube Channel.

On 30 November at Monster Takamatsu the entire album was performed including the B-sides: "Takt" and "Limit Break".