Hageshisa to, Kono Mune no Naka de Karamitsuita Shakunetsu no Yami  The first B-side, "Zan", is a re-recording of a track from band's first album, "Gauze". The second B-side, "Shokubeni (Shot In One Take)" is a re-recording of a track from the band's fourth album, "Vulgar", recorded in one take live in the studio. The single is included in the "Saw 3D" movie soundtrack along with fellow Japanese artists Boom Boom Satellites and Wagdug Futuristic Unity. The song is also featured as downloadable content for the video game "Rock Band 3" through the Rock Band Network 2.0 catalog. This is the first Dir En Grey song to go with the modern deathcore sound.