Red Data Girl

Red Data Girl (レッドデータガール, Ārudījī Reddo Dēta Gāru) is a series of fantasy novels that are written by Noriko Ogiwara. It has had an manga and anime adaptation.

Plot
Red Data Girl centers around the life of Izumiko Suzuhara, a 15-year old girl who has been raised at Tamakura Shrine. After entering into the big city, slearns that she is a yorishiro, a vessel for a shinto spirit known as a kami. Along with this discovery, her childhood friend Miyuki Sagara learns that he is a yamabushi, a warrior tasked with protecting her.

Official

 * Official Anime Site

Other Sources

 * Wikipedia
 * Anime News Network