Mikogami Keigo and the anti-vampire organization V.A.C.T. finally clash! But that's not all Mikogami must grapple with. His fiancee, Youko, whom he thought the man with two faces had murdered, watches from the sidelines!

Brunhilda imprisons Momo in her mansion, hoping to force MoMo to give birth to the child of a human boy, Croix. To rescue MoMo, Mikogami joins forces with Gil. However, an assassin from the anti-establishment vampire group Gregory arrives at Brunhilda's mansion!

Mikogami is attacked by Gil Gilman, a black-market valet dealer. Meanwhile, MoMo meets Brunhilda, the valets' administrator, and Croix, a boy who calls Brunhilda "mama." What will MoMo do when Brunhilda proposes that she bear Croix's child?

"The Man with Two Faces" has arrived at Detective Mikogami Keigo's old police station bearing a powerful anti-vampire weapon. Meanwhile, Keigo considers his next move after catching a glimpse of what life would be like with Momo!

Tokyo is plagued by a string of murders where the victims are drained of blood. While the city whispers about vampires, detective Mikogami Keigo seeks to avenge his murdered lover. As he stalks "The Man With Two Faces," Mikogami catches the attention of a mysterious silver-haired girl.

Mikogami faces off against Amphisbaena. But in the middle of the battle, MoMo presents him with a troubling conundrum...by offering to make him a true vampire! Is defeating his nemesis worth an eternity of hell?

MoMo and Mikogami are finally reunited, but Croix and Brunhilda block their way! As the two camps clash, something suddenly happens to Croix's body and the situation takes an unexpected turn. Furthermore, the King of the Vampires, Kudlak, takes action, bringing the story to its final stage!