Kunoichi Mahouden

Shion's world is torn apart when she is forced to flee her invaded home, leaving behind her father, mother, and little brother, and face the fact that some people she had known all her life had betrayed her. Now, armed with all the knowledge and skills her parents and teachers have given her, she must find the other 6 people who carry portions of her father's secret.

(Source: MangaHelpers)

Included one-shot:
Volume 6: Kunoichi Mahouden (pilot)