A war among vampires has started at Cross Academy, and even Day Class students are being attacked. Kaname finally reveals his hidden plan to Zero, and Zero must choose on which side he will fight. But in order for Zero to defeat the enemy, he will have to take part in an atrocious act...

After seeing her family slaughtered, Aiko is surprised to wake up on a laboratory table, apparently intact. But when she notices the horribly disfigured arm grafted onto her body, she soon realizes that life as she knew it before the attack is now over. Infused with the DNA of a mysterious monster known as Chimera, the arm acts on the urges of its master - leaving Aiko powerless to stop it. Alone and frightened, how will she deal with this horrible fate?

Agents from Aethos - a mysterious, government-linked corporation - want to use the power of Aiko's demon arm to fight the deadly creatures known as Chimeras, whose attacks on the civilian population are increasing. But Sudo, the agent who has befriended Aiko, isn't so happy about this development. In helping them to defeat this enemy, is she becoming an even greater threat herself?

Agent Sudo tries to uncover the secret behind Aethos, the government linked corporation in charge of investigating the Chimeras. But in doing so, he stumbles upon a secret from his own past: a girl he believed he had killed years ago, but who instead has been a subject of experimentation. As for Aiko, she's having doubts about what the Chimeras really are and may be losing the will to fight them.

Agent Sudo breaks into the headquarters of Atheos, intent on exposing the true purpose of this secret organization and rescuing Aiko, their reluctant pawn. The final battle over her fate is about to begin... and Aiko is finished being anyone's weapon but her own. The real story behind the slaughter of Aiko's family is revealed. Will she ever be able to find a place in the world again?

Charley, a cyborg vampire who does the Vatican's dirty work, is in the thrall of the local vampire playboy Johnny Rayflo. As the two of them fight crime - and each other - hilarity, violence and sacrilege ensue! But can Charley resist his own desperate cravings for blood? Find out as the devilish duo go up against a childlike vampire princess, a mysterious branch of the Unitarian Church... and each other.

The plot thickens and the hijinks continue as our handsome duo put their own sexy spin on the Mile-High Club. An airplane ride yields several surprises for Rayflo and Charley, including a run-in with an actress with a dark secret and a mysterious saboteur. But as Charley begins an investigation of his own, his feelings for Rayflo seem to get in the way at every turn...

Rayflo gets mixed up with a devious incubus who nearly tears him to shreds. Meanwhile, Charley heads to Italy to uncover the secret behind the mysterious drug known as Vassalord. There, he infiltrates a mafia prison, where he finds a most disturbing scene. Will Charley get out with his body - and mind - intact?

Takami is tall, attractive and funny. Akira's a quiet, musical prodigy who seems much more effeminate than Takami, even though he's a guy. Best friends since childhood, Takami turns to Akira when yet another would-be boyfriend dumps her. Now will their longtime connection finally turn into something more than friendship?

Takami gets a part-time waitressing job at Club Blue. But what's Akira's motive when he decides to work there too? Later, when their piano school gets a new teacher, Akira is less than thrilled... and the teacher's incessant flirting with Takami is only part of the problem. And when Takami and Akira enter the same piano contest, will their friendship prove to be stronger than their musical rivalry?

Akira and Takami join forces to help save the annual high school chorus performance. After the concert Akira tells Takami he loves her... but she doesn't seem to get it. Later, Takami flees her house after a huge fight with her brothers and seeks solace at Akira's place. The opportunity couldn't be more perfect for Akira to try again. But when he makes his move, the whole situation backfires!