Since the eruption of Mount Fuji, the nights in Japan and this city have changed completely. Those covered in volcanic ash from Mount Fuji have become battle vampires, wielding tremendous power as they've started to kill each other and wash themselves in the blood of their fallen foes. (Source: Comikey)

This protagonist, the most demonically strong exorcist. Akira the S-class exorcist sent from Germany to investigate a paranormal event in a certain city in Japan. He shoots creatures from other worlds with his beautiful exorcist partner Chikage.