Owari no Seraph

Blood Legacy epidemic kills adults, leaving children vulnerable to vampires before a risky escape attempt.

An unexplained epidemic strikes humanity, resulting in the death of every adult and leaving the younger generation at the mercy of vampires. Four years after this catastrophe, Yuuichirou Hyakuya and his companions execute a bold plan to flee their captors. They proceed with the mission under the false assumption that their path to freedom is clear. However, they are completely unaware that a deadly trap has been set for them, turning their desperate bid for liberty into a perilous confrontation with their enemies.

Yuuichirou faces suspension after reckless actions before a school vampire attack

Four years have passed since Yuuichirou escaped, and he now serves in the Japanese Army with aspirations to join the Moon Demon Company, their specialized vampire hunting unit. However, his reckless conduct results in a suspension from duty. The situation changes when a vampire launches an attack on a local school. Despite being ordered to stay away and facing the consequences of his previous behavior, Yuuichirou disobeys direct orders to confront the enemy directly. This incident forces him to engage with the threat he was previously barred from handling, highlighting his determination to fight vampires despite his current disciplinary status within the military structure.

The Demon in Your Heart

Yuuichirou trains for the Moon Demon Company while Mikaela serves vampire queen Krul Tepes

Yuuichirou’s best friend Mikaela avoided death alongside their peers by being transformed into a vampire under the command of Krul Tepes, the queen of the vampires. Mikaela now serves as her aid. In a separate development, Yuuichirou commences his rigorous training regimen with the goal of joining the Moon Demon Company. This narrative highlights the divergent paths taken by the two friends following the initial crisis, contrasting Mikaela’s new supernatural role with Yuuichirou’s human efforts to strengthen his capabilities for future combat.

A pact involving a malevolent entity with demonic characteristics

A new family is formed

Mitsuba Sangu joins Yuuichirou's squad for his first mission

Yuuichirou obtains a Black Demon Series top-level weapon and embarks on his first mission alongside Shinoa, Yoichi, and Kimizuki. The squad is led by Shinoa, who has been assigned a new member named Mitsuba Sangu. Mitsuba has served in the Extermination Unit since she was 13 years old. She feels repulsed by being placed in a unit composed entirely of rookies. Consequently, she frequently clashes with her teammates, particularly Yuuichirou. This assignment marks a challenging start for the group as they navigate their new dynamic and the veteran's disdain for the inexperienced members under Shinoa's command.

Shinoa Squad Executes First Vampire Ambush Mission in Harajuku

Shinoa’s squad launches its inaugural mission, a vampire ambush operation in Harajuku. Yuuichirou and his teammates encounter humans who appear to have lost hope, resembling livestock. Recalling his difficult childhood, Yuuichirou channels his emotions into a desire for revenge. The narrative focuses on whether his four years of rigorous training will prove effective against the vampires. This engagement serves as the critical test to determine if his preparation has yielded the necessary strength to defeat the enemy forces in this initial confrontation.

Yuuichirou and allies arrive in Shinjuku to counter the vampire offensive

Yuuichirou and his companions reach Shinjuku to assist in repelling the ongoing vampire offensive. Meanwhile, Guren's party encounters Mikaela and Ferid. Upon spotting these two individuals, the group makes the decision to confront them directly. This sequence highlights the converging efforts of different factions within the Shinjuku area as they engage with the vampire threat and specific adversaries.

Yu and Shinoa rush to aid Mitsuba, Kimizuki, and Yoichi while Guren battles Ferid.

Upon discovering that Mitsuba, Kimizuki, and Yoichi are in serious trouble, Yu and Shinoa immediately hurry to their location to provide assistance. Simultaneously, Guren and his soldiers engage in combat against the primary forces of the vampires. However, the overwhelming power displayed by Ferid appears to exceed the capabilities of Guren’s group. This disparity in strength places Guren in a difficult and precarious position as he struggles to counter the vampire's superior abilities during the intense confrontation.

Childhood friends reunite amidst a global virus that leaves only children and vampires

A lethal virus devastates the planet, resulting in a world populated solely by children and vampires. Yuuichirou Hyakuya and his fellow orphans are captured by these vampires and compelled to supply blood to ensure their survival. Frustrated by their captivity and treatment, the group devises a plan to escape their captors. However, the outcome of their attempt remains uncertain as they face the harsh realities of their new existence under vampire rule.

Shinoa questions Guren about Yu's seven-day coma and his missing memories.

Shinoa attempts to uncover the truth regarding Yu's condition by confronting Guren about his alleged conspiracy. Guren refuses to provide any answers, maintaining the mystery surrounding his actions. Eventually, Yu awakens from a seven-day coma. Upon regaining consciousness, he states that he has no recollection of the events that transpired during his unconscious state. The narrative focuses on Shinoa's investigation and the subsequent revelation of Yu's amnesia, leaving the circumstances of his condition unresolved.