Maxi-single release from visual-kei band E'm-grief- produced by KISAKI (UNDER CODE PRODUCTION). Type B edition includes "Atonality" and "Kyrie" plus two instrumental tracks. Also includes a bonus DVD with the band's performance of "Infinity Daze" at Tokyo Kinema Club on December 31, 2009 plus bonus video footage (Vol.2). *The DVD disc is encoded for region 2 (Japan, Europe, and Middle East), and no subtitles are included.