Despite their differences, Mina and Akira must learn to work together in order to save some student council members from the rogue vampires who've taken them hostage.
Killers-for-hire stalk Akira, and the werewolf's inability to transform puts his life in jeopardy. Meanwhile, Mina raises the stakes of her wager after a particularly unpleasant test of her purity.
On the surface, things appear to have calmed down at the academy, but among the students there are deep physical and psychological scars that have not yet healed.
Mina refuses to let anything stand in the way of her mission to establish the Bund, but Akira's loyalty to his new master is shaken when he learns that vampires have infiltrated the school
Akira's curiosity about the concept of eternity leads him to ask Mina questions that are difficult to answer. Though it may sound promising, eternity is not without its harsh realities.
A high-profile student's disappearance puts Mina in hot water with the student council, and the Prime Minister takes drastic steps to reject her plans for the Bund.
The Bund is finally enjoying some well-earned peace when chaos visits once more - the Three Clans have appeared in the Bund, putting Akira's life in grave peril.
Mina calls a press conference in an attempt to quiet the public uproar over the Bund, but a last-minute change to the security detail could put both humans and vampires at risk.
High school student Akira Kaburagi isn't interested in vampires, but when he finds himself in the middle of an assassination attempt on Mina, a promise from his past comes rushing back to him.