According to the official website, Miyazaki Maya
's manga "Holy Knight" was announced to get an OVA anime adaptation. It will be released this autumn.
Holy Knight official website
Cover of Holy Knight novel vol.1
Mizumura Shinta is a plain undergraduate student. One day, he meets a transfer student from Romania, Kishimoto Lilith. She is a half human and half vampire. Through the life with Lilith, he knows the secret of his birth. He is the sole descendant of the Romuald clan, the vampire hunters.