He never asked for this power. Kojou Akatsuki used to be an ordinary high school boy--but that wasbefore he became the Fourth Primogenitor, the most powerful vampire of all time. Worse--he doesn't even remember how it happened. Middle schooler Yukina Himeragi, meanwhile, is the Attack Mage sent to observe him--and to stop him if he gets out of control. But was it really a good idea to send a cute girl to observe a massively powerful vampire boy whose abilities activate whenever he gets aro...

Kojou Akatsuki lives on the artificial island of Itogami, and he has a secret: He's the "Fourth Primogenitor," the most powerful vampire in the world. He's carefully kept this dark knowledge from his family and friends, but one day, a beautiful girl named Yukina Himeragi appears before him and tells him that she knows who he really is--and that she's been sent to...kill him?!

An honorable knight fallen from grace…returns as a total stud! Ras Talion was once a respectable knight who single‑handedly slayed a Greater Dragon, but he lost his beloved in that same battle. Now Ras is a mercenary and a hedonist who visits brothels night after night. He’s even known throughout the empire by the derisive nickname “the Stallion.” One day, he comes face‑to‑face with the impossible—the supposedly deceased imperial princess Fiarca, his ex‑fiancée. Alive and kicking, she assi...

An Impossible Choice…As the Electoral War rages and the Primogenitors vie for dominance, Itogami Island plunges into disarray. Shio and Yuiri escort Avrora to the island in a bid to bring the conflict under control, only to come face-to-face with the Second Primogenitor, Fallgazer. While Yukina heads off alone to rescue her allies from Fallgazer’s clutches, Kojou’s powers run wild, afflicting him with unbearable hunger and thirst. And in the lead-up to the final showdown with the Order of ...

The war that changed everythingIt’s a Valentine’s Day that Kojou won’t soon forget! Amid the buzz of crushes and chocolate, dark words arrive on the wings of Glenda, the Dragon of the Swamp. Velesh Aradahl is holding Yuiri and Shio captive! And using them as collateral, he challenges Kojou to a vampire duel...At the same time, the Holy Ground Treaty Organization has deemed all of Itogami Island—altar for The Cleansing and domain of Dimitrie Vattler—a global threat. The only way to get the ...

To save Avrora, Kojou lays it all on the line and gives up his Fourth Primogenitor powers…but the battle is nowhere near over. The Encroachment of Nod begins, and Shahryar Ren’s true ambitions are revealed: to restore the Deva legacy for world domination! Facing the overwhelming might of the Beast Vassal Warheads, the only option seems to be the destruction of Itogami Island-a task assigned to Yukina Himeragi! Torn between duty and friendship, Yukina is tormented by the decision she is for...

When Kojou Akatsuki went to visit his sister in the hospital in middle school, he met a vampire named Avrora. Once he learned she was the key to saving Nagisa's life, he helped Avrora escape. Now, the weapons dealer Zacharias is telling him to hand over Avrora in order to rouse the fourth primogenitor! As Zacharias's plans plunge Itogami Island into peril, the fourth primogenitor finally awakens...

DEMON DIPLOMACY IS HARD WORK... There’s a celebration to be had in the kingdom of Aldegia, and Princess La Folia invites Kojou to join in the festivities. Reluctantly accompanied by Kanon, he travels to the royal palace for the signing of a peace treaty between Aldegia and the Warlord’s Empire. Not all are in favor of the agreement, and many hold their breath in anticipation of violent opposition. Unfortunately, these fears are realized when a large-scale terrorist plot brings a deadly mon...

WHEN ALLIES BECOME ENEMIES, WHO CAN YOU TRUST?New Year's Day is right around the corner on Itogami Island, and everyone is getting ready to celebrate! ...Well, almost everyone. Nagisa, off on a trip to the mainland to visit her grandmother, hasn't been returning any calls or texts. Equally troubling is Yukina's sudden and complete loss of contact with the Lion King Agency. When Kojou and Yukina's frantic attempts to find answers reveal evidence of a magical incident, Kojou decides to risk ...

This is only the beginning…Chaos descends upon Itogami Island! Air and sea transportation have come to a grinding halt and key personnel from the Gigafloat Management Corporation are being assassinated one after another. The proud culprit behind this series of attacks is the self-proclaimed Demon Sanctuary destruction group, Tartarus Lapse. At the same time peculiar changes begin to occur within Nagisa as the soul of the Avrora bleeds into her consciousness. In her time of spiritual turmoi...

It's not easy being popular...In the wake of the destruction caused by the Roses of Tartarus, reconstruction begins on Itogami Island. The people laud Asagi Aiba as their savior, and she’s even become something of a local idol. But her boom in popularity is actually a conspiracy by the Gigafloat Management Corporation to cover up the fact that she’s being held captive! Catching wind of this, Kojou and Yukina rush to her rescue. But of the many challenges that stand in their way, the bigges...

The sealing ceremony for the relic of The Cleansing is finally underway. But just as it seemed the problem was taken care of once and for all, the ceremony gets interrupted by an incredible surge of magical energy coming from below. Avrora, the disaster sleeping at the bottom of Kannawa Lake, has awoken... In an attempt to rescue Nagisa, Kojou and Yukina venture out onto the frozen lake and find themselves facing off against a mysterious flying dragon; a vicious encounter that sends them s...