Fifth volume of the Japanese anime series set in 1928 New York. Beneath the decade's Jazz Age veneer, demonic forces are gathering. Rosette Christopher and Chrono, a rogue devil, are exorcists working for the Magdalene Order to fight the demonic threat. In this volume, the evil Aion launches an all-out assault on the Magdalene Order. At the same time, something strange is threatening the bond between Rosette and Chrono.