Paris, late 19th century. Vanitas is a human who works as a doctor for vampires and wishes to save them. He uses a magical book called The Vanitas Grimoire to dispel an evil curse that corrupts vampires and turns them into blood-sucking monsters.

But...this very same book is rumoured to be the cursed tome that gives birth to vampires on nights when the blue moon is full. Noe is a vampire on the hunt for The Grimoire.

Who, really, is Dr Vanitas? What are the secrets that he holds, and what fate do those secrets spell for the vampire species?

The Crimson Bullet Association all have a common goal. Protect the people and save the victims that have been influenced by the disease of the Black Rose. Claudia, their star member, is not only an excellent fighter but has a special secret. Within her, resides the seed of the Scarlet Rose! What trouble can be brought by her? Will she be able to survive the painful betrayal of the person that holds her heart?

The air of celebration surrounding fifteen-year-old Oz Vessalius’s coming-of-age ceremony quickly turns to horror when he is condemned for a sin about which he knows nothing. He is thrown into an eternal prison known as the Abyss, from which there is no escape. There, he meets a young girl named Alice, who is not what she seems. Now that the relentless cogs of fate have begun to turn, will they lead only to crushing despair for Oz, or is there some shred of hope for him to grasp on to?