Blood: The Last Vampire (2009) is a stylish martial arts horror adaptation blending Hong Kong action with Gothic vampire mythology. Jun Ji-hyun stars as Saya, a centuries-old vampire who hunts bloodsuckers within a military base in 1970s Japan. Mixing wire-fu action, supernatural horror, and dark fantasy worldbuilding, the film bridges anime origins with live-action spectacle.

Från IMDB:
A vampire named Saya, who is part of a covert government agency that hunts and destroys demons in a post-WWII Japan, is inserted in a military school to discover which one of her classmates is a demon in disguise.