Holy Knight

Mizumura Shinta, an orphan, attends a missionary school in Tokyo where he lives a quiet life. His world is disrupted by the arrival of Lilith, a half-human Romanian girl, who transfers to his school. As Shinta gets to know Lilith, he learns that he is a vampire hunter and the successor to the Romuald lineage. This revelation sets him on a path that will forever alter his life.