“Bloody” Mary, a vampire with a death wish, has spent the past 400 years chasing down a modern-day exorcist named Maria who is thought to have inherited “The Blood of Maria” and is the only one who can kill Mary. To Mary’s dismay, Maria doesn’t know how to kill vampires. Desperate to die, Mary agrees to become Maria’s bodyguard until Maria can find a way to kill him.

“Bloody” Mary, a vampire with a death wish, has spent the past 400 years chasing down a modern-day exorcist named Maria who is thought to have inherited “The Blood of Maria” and is the only one who can kill Mary. To Mary’s dismay, Maria doesn’t know how to kill vampires. Desperate to die, Mary agrees to become Maria’s bodyguard until Maria can find a way to kill him. Maria never knew he possessed the Power of Exorcism, which can kill vampires, but with Mary’s help, his research unearths the “Red Memories” that he has suppressed for so long. At the same time, the door to Mary’s own missing memories is thrust forcefully open. Where do Maria’s Red Memories and Mary’s past intersect…and what truths await them?

A blood-pounding tale of an unorthodox alliance between a vampire and an exorcist! “Bloody” Mary, a vampire with a death wish, has spent the past 400 years chasing down a modern-day exorcist named Maria who is thought to have inherited “The Blood of Maria” and is the only one who can kill Mary. To Mary’s dismay, Maria doesn’t know how to kill vampires. Desperate to die, Mary agrees to become Maria’s bodyguard until Maria can find a way to kill him. Maria’s father, Yusei, was killed by vampires—and it was Maria’s own fault. Haunted by guilt, he sealed away the memory. That is, until he remembers the face of the murderous vampire…and it looks just like Mary’s! On a mission for answers, Maria comes to the kidnapped Mary’s rescue, but he finds someone else within Mary…

A blood-pounding tale of an unorthodox alliance between a vampire and an exorcist! “Bloody” Mary, a vampire with a death wish, has spent the past 400 years chasing down a modern-day exorcist named Maria who is thought to have inherited “The Blood of Maria” and is the only one who can kill Mary. To Mary’s dismay, Maria doesn’t know how to kill vampires. Desperate to die, Mary agrees to become Maria’s bodyguard until Maria can find a way to kill him. Another “Mary” who resides within Mary turns out to be the one who killed Maria’s father, Yusei. In search of why his father had to die, Maria tries to get in contact with “Mary” but is unsuccessful. In the meantime, a mysterious man pays a visit to Maria and reveals how Maria’s mother first met Yusei and provides crucial information about Maria’s family lineage.

忍と共にイギリスへ渡ったマリア（＋メアリー）。その地でメアリーは閉じ込めたはずの「記憶」が徐々に甦り、パニックに陥る。そしてついに、マリアの前に“メアリー”が現れて――！！

結生が殺された理由と引き換えに、メアリーを差し出せとマリアに要求してきた“メアリー"。しかし心の準備ができないまま時だけが過ぎていく…。また、メアリーは“メアリー"になり替わる時間が増え始め…

メアリーがついに“メアリー"のことを思い出した。しかしそれは「自分のせいで“メアリー"が死んだ」という悲しい記憶。マリアと忍はそんなメアリーを残し日本へと帰国するのだが、そこには悲しい別れが待っていた

自分のせいで双子の“メアリー"を死なせてしまった。記憶を思い出し、その後悔の念に押しつぶされそうになるメアリー。そしてついに、その体を“メアリー"に明け渡すことに―――。

“メアリー”の真の目的…それはあまりにも切ないもので…。 自分のせいで双子の“メアリー”を死なせてしまった。その後悔の念から、メアリーは自分の殻に閉じこもり“メアリー”に体を明け渡してしまう。しかしそれは“メアリー”が思い描いていた未来予想図とは別物で…。

ついに完結!生きたい神父と死にたい吸血鬼。二人の未来に光はあるのか…? 自分の中でメアリーの存在が大きなものになっていたことに気付いたマリアだが、メアリーの願いは「死ぬこと」。死ぬことでしか解放されないメアリーを、マリアはどう救うのか…。