Higanjima

It's all about vampire hunting versus man hunting in the series. Akira's brother, Atsushi, was found missing for 2 years. And recently a mysterious woman appeared and told him that she can bring him to Higanjima (an island's name) where she saw Atsushi. But she also asked that he should brings a few more friends there...

The human army lost the battle against the vampires on the island of Higanjima. Unable to prevent Miyabi's plan, Japan became a vampire country. Six months later, there is a one-armed man fighting the vampires in abandoned Japan! The man's name is Akira Miyamoto. A warrior who has already tasted hell on Higanjima.