Master of Mosquiton OVA

In present day England, a war is being fought. The average citizen does not notice, but vampires are running rampant among the populace, and it's up to the Hellsing organization to contain the bloodsucker threat, using even their own weapons against them. Alucard, a vampire himself, is the best agent the organization has to offer, answering only to Integra Hellsing herself. No one knows much about this mysterious figure fighting against the occult, but things starts to change after he “recruits” a new agent to the establishment...

Alternate titles: Yuugen Kaisha

Ayaka Kisaragi is the best at her profession -- hunting down vampires, spooks, and evil spirits who haunt the citizens of Tokyo! Ghostbusters, beware! The crew of the Phantom Quest Corporation is on the job. From vampires to the undead, there's nothing her hip and paranormal team can't handle... EXCEPT their debt, of course!

One fateful day, Inaho -- a model catholic high school student -- meets a vampire named Mosquiton and his two sidekicks: Honou and Yuuki. Joined by a gorgeous wolflady and a kindhearted brute, they set out to search for the mystical items called "O-parts". These mysterious treasures, difficult to obtain, are rumored to give incomprehensible power to the one who manages to obtain and activate them with an O-part key.

All Morioka Kohei wants to be a regular photographer, but all he ever seems to capture on film is ghosts! With 70 percent of his photos inhabited by the undead, Kohei has managed to gain not only a reputation, but also a job at an occult magazine. Things couldn't be more "normal" until he is sent to a obscure castle where he photographs a mysterious girl with a knack at disappearing, thus piquing his interest to return. And thus, Kohei sets out on a journey that takes him into the heart of the occult, on a mission to help the cutest vampire in existence find her long lost mother!