Manami is targeted by vampires on her 22nd birthday and K, who possesses tremendous power, tries to save her in a raging battle. On that day, young men and women are invited to Hotel Requiem where a huge nationwide matchmaking convention is being held by the mysterious Yamada. He lives and runs this ornately beautiful, palatial hotel with a bizarre empress and Elizabeth Báthory. Then Yamada suddenly declares to the gathered crowd that tomorrow will be the apocalypse and only the people inside this hotel will be saved.
