In September 2010 the band confirmed in an interview with "Kerrang!" magazine that they were in the process of writing new material for the follow-up to "Uroboros". In addition to "Hageshisa to, Kono Mune no Naka de Karamitsuita Shakunetsu no Yami" appearing on the soundtrack of the American movie "Saw 3D", they also participated in December 1, 2010's "Romantist - The Stalin, Michiro Endo Tribute Album" by covering "Warushawa no Gensō" in celebration of the 60th birthday of The Stalin's frontman Michiro Endo. The album also featured bands such as Buck-Tick, Group Tamashii, Merry, Jun Togawa, and Wagdug Futuristic Unity.