The AVAL Science Foundation has been attempting to cause a Second Great Collapse by installing artificial keystones throughout the city! At this rate, everyone in Tokyo will be transformed into monsters, and the city will become a hellscape! In order to stop their plot, Chihiro and his friends head to the Infinity Theater where Kark Kaburagi is performing a concert. As the reaper's deadly melody rings throughout the theater, total war breaks out between Chihiro's friends and the AVAL Science Foundation. Will they be able to stop the Second Great Collapse?! (thetvdb.com)