Vampire Princess Miyu

is a Japanese horror manga series by Narumi Kakinouchi and Toshiki Hirano, as well as an anime adaptation by the same creators. The anime was originally presented in a 4-episode OVA licensed by AnimEigo in 1988, and was later adapted into a 26-episode television series licensed by Tokyopop and released in 1997.

Plot
Its central characters are a vampire girl named Miyu and her demonic companion Larva. Miyu is the daughter of both a human and a shinma (demon) and as such she was awakened as the guardian whose destiny is to hunt down all stray shinma and send them back to the darkness.

Official

 * AnimeEigo

Other Sources

 * Wikipedia
 * Anime News Network (Manga)
 * Anime News Network (Anime)