Sirius the Jaeger

In the 1930s, Tokyo Imperial witnessed the mysterious arrival of a group called "Jaegers", full of musical instruments. This band of hunters is on a mission to chase vampires and discover the secret behind the elusive "Arc of Sirius". Among them is Yuliy, a young werewolf whose village was devastated by these bloodthirsty monsters. While the battle between the Jaegers and the vampires takes more intensity, the stakes rise to unprecedented levels. What are the truths that will be revealed by discovering the mysteries of the Arc of Sirius?.