While fighting demons during an outbreak of monsters and supernatural forces, Shou, a demon hunter who wields the power the absorb demon's souls, confronts a shinigami who overpowered Shou and stolen her soul. Aided by house maid, the Gatling gun-wielding Akari, they must track down the shinigami to reclaim Shou's human soul before her demonic blood lust consumes her.

While fighting demons during an outbreak of monsters and supernatural forces, Shou, a demon hunter who wields the power the absorb demon's souls, confronts a shinigami who overpowered Shou and stolen her soul. Aided by house maid, the Gatling gun-wielding Akari, they must track down the shinigami to reclaim Shou's human soul before her demonic blood lust consumes her.