Prétear (新白雪姫伝説プリーティア)

Prétear (新白雪姫伝説プリーティア Shin Shirayuki-hime Densetsu Purītia), also called Prétear - The New Legend of Snow White, is a manga series written by Jun'ichi Satō and illustrated by Kaori Naruse. Spanning four volumes, the manga series was originally published in Japan by Kadokawa Shoten from May 2000 through July 2001. It was published in English in North America by ADV Manga.
The series was adapted into a thirteen episode anime series by Hal Film Maker, Kadokawa Shoten, and Rondo Robe . It aired in Japan on WOWOW from April 4, 2001 until June 27, 2001. Geneon released the series episodes across four volumes in Japan in both VHS video and DVD forms. ADV Films licensed and released the anime series, with English subtitle and audio dub track, Region 1 DVD in North America and Region 2 DVD in Europe.

# Reference
http://en.wikipedia.org/wiki/Pretear
Pretear: Complete Collection(Amazon.com)