Manga by author Mochizuki Jun

Heir to the Vessalius Duke House, Oz, has just turned fifteen. His life is carefree and wealthy, darkened only by the continuous lack of his dad. At his coming of age service, every thing changes. For no reason he is able to pick out, Oz is cast into the prison called the "Abyss", simply to be saved with a girl called Alice, the Bloodstained Black Rabbit. The puzzle there starts as Oz unravels the enigma behind Alice, the Abyss, and the peculiar organization called "Pandora".ChainsBeings in the Abyss that were at one-point person, changed by the Will of the Abyss. They have to sign a contract using a contractor that is human to be able to depart the Abyss. People must be repeatedly consumed by chains involved with prohibited contracts as a way to achieve power. Some chains, like Humpty Dumpty, can have several contracts. When they do even more will be slowed down by the revolution on a prohibited contractor seal. The sole Chains that have been once not people are Oz the B-Rabbit Cheshire and Cat who are the sole chains that will develop a form that is human due to them being creatures as well as in the instance of Oz a filled thing while the others developed semi-human looks.

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?

.There once lived a vampire known as Vanitas, hated by his own kind for being born under a blue full moon, as most arise on the night of a crimson one. Afraid and alone, he created the "Book of Vanitas," a cursed grimoire that would one day take his vengeance on all vampires; this is how the story goes at least.Vanitas no Carte follows No, a young man travelling aboard an airship in 19th century Paris with one goal in mind: to find the Book of Vanitas. A sudden vampire attack leads him to meet the enigmatic Vanitas, a doctor who specializes in vampires and, much to No's surprise, a completely ordinary human. The mysterious doctor has inherited both the name and the infamous text from the Vanitas of legend, using the grimoire to heal his patients. But behind his kind demeanor lies something a bit more sinister...[Written by MAL Rewrite]