Angel, a member of a punk rock band in the apocalyptic future, is kidnapped by Mok, a legendary superocker. Obsessed with a dark experiment, Mok plans to use Angel's voice to summon a demon from another dimension. The rest of the band follows Mok to Nuke York in an attempt to get her back.。故事設定在《CODE GEASS 反叛的魯路修》的四年後講述了兩名以高超的武藝廣為人知的傭兵,亞修和羅瑟的故事。