To close the Keystone Gate and seal the portal to Nod, the Japanesegovernment callsfor the destruction of Itogami Island, dispatching Yukinaand Natsuki to thebottommost layer of the structure.But when the time comesfor her to pull the trigger,Yukina wavers between following her orders andsaving the island she loves.In themidst of this predicamentKojou—having regained his vampiric powers—shows up tooppose her.The story of the world’s mightiest vampire and his Watcher finally drawstoa close!