Imperial Capital, 1930. A strange group of people carrying musical instrument cases landed on Tokyo station. They are called the “Jaegers”, who came to hunt vampires. Amongst them, there stood a young man with striking serenity and unusual aura. His name is Yuliy, a werewolf whose home village was destroyed by vampires. Yuliy and the Jaegers engage in deadly battle over a mysterious holy arc only known as “The Arc of Sirius”. What truth awaits them at the end…?In the year 1930, vampires have infiltrated Tokyo to feast upon its unsuspecting citizens. As the number of victims continues to rise, the city’s authorities decide to hire the Jaegers—a strange, diverse group of individuals tasked by the V Shipping Company to hunt down vampires around the world. Carrying musical instrument cases to disguise their identity, the Jaegers battle the vampires with the same mercilessness demonstrated by their foes. Yuliy, the Jaeger’s most skilled warrior, is the sole survivor of a vampire raid on his home village. Using the strength granted by his werewolf blood, he works with his team to assist Tokyo’s law enforcement with the city’s vampire problem. Though under the pretense of helping the police, the Jaegers are actually fighting the vampires over the mystical Ark of Sirius. With its power to change the fate of the world, Yuliy and his friends must locate the artifact before the vampires can use it to achieve their destructive goals.