Anime: Completed
Manga: Completed

Genre:
Action, Dark comedy, Supernatural

Plot:
Staz is a powerful vampire boss of a territory in the Demon World. Unlike his vampire ancestors, he prefers not to prey on humans, and would rather indulge in their Japanese otaku lifestyle of reading manga, watching anime, and playing video games. One day, he becomes excited when Fuyumi Yanagi, an ordinary Japanese high school girl, accidentally wanders into the Demon World through a portal. The two's first meeting is cut short by the attack of a demon who challenges his territory. When Staz goes to stop the demon, Fuyumi is killed by a carnivorous plant and turned into a ghost. Staz takes responsibility and pledges to help bring her back to life. When they take the portal, they learn that Fuyumi needs to drink Staz's blood in order to not fade away. They meet Hydra Bell, a treasure hunter who reveals that her ability to open and close the portal was stolen, and that in order to restore Fuyumi they need the Book of Resurrection.