The Vampire Dahlia

From the Studio Ironcat edition

Living by day as a mysterious exchange student in Japan, Dahlia is searching for the reincarnated soul of her vampire lover, Ranan. But time is running short for our beautiful vampiress when a young man appears, a fellow exchange student from England, who resembles Dahlia's long-lost love. Has Ranan's spirit finally returned?

Source: Anime News Network Encyclopedia